[clang] 72474af - [LLVM][OHOS] Clang toolchain and targets
Pavel Kosov via cfe-commits
cfe-commits at lists.llvm.org
Tue Mar 14 02:25:01 PDT 2023
Author: Pavel Kosov
Date: 2023-03-14T12:24:44+03:00
New Revision: 72474afa27570a0a1307f3260f0187b703aa6d84
URL: https://github.com/llvm/llvm-project/commit/72474afa27570a0a1307f3260f0187b703aa6d84
DIFF: https://github.com/llvm/llvm-project/commit/72474afa27570a0a1307f3260f0187b703aa6d84.diff
LOG: [LLVM][OHOS] Clang toolchain and targets
Add a clang part of OpenHarmony target
Related LLVM part: D138202
~~~
Huawei RRI, OS Lab
Reviewed By: DavidSpickett
Differential Revision: https://reviews.llvm.org/D145227
Added:
clang/lib/Driver/ToolChains/OHOS.cpp
clang/lib/Driver/ToolChains/OHOS.h
clang/test/Driver/Inputs/ohos_native_tree/llvm/bin/.keep
clang/test/Driver/Inputs/ohos_native_tree/llvm/include/c++/v1/.keep
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_soft/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_hard_neon-vfpv4/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_soft/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_softfp_neon-vfpv4/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/libc++.so
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/.keep
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/.keep
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/clang_rt.crtbegin.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/clang_rt.crtend.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.builtins.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.profile.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/.keep
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/clang_rt.crtbegin.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/clang_rt.crtend.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/libclang_rt.builtins.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/libclang_rt.profile.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/.keep
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/clang_rt.crtbegin.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/clang_rt.crtend.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.builtins.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.profile.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/clang_rt.crtbegin.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/clang_rt.crtend.o
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/libclang_rt.builtins.a
clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/libclang_rt.profile.a
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/include/.keep
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/include/arm-liteos-ohos/.keep
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/.keep
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/.keep
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/.keep
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_soft/.keep
clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/.keep
clang/test/Driver/ohos.c
clang/test/Driver/ohos.cpp
clang/test/Preprocessor/ohos.c
Modified:
clang/include/clang/Basic/Attr.td
clang/include/clang/Driver/ToolChain.h
clang/lib/Basic/TargetInfo.cpp
clang/lib/Basic/Targets.cpp
clang/lib/Basic/Targets/ARM.cpp
clang/lib/Basic/Targets/OSTargets.h
clang/lib/Basic/Targets/X86.h
clang/lib/CodeGen/ABIInfo.h
clang/lib/CodeGen/TargetInfo.cpp
clang/lib/Driver/CMakeLists.txt
clang/lib/Driver/Driver.cpp
clang/lib/Driver/ToolChains/Arch/AArch64.cpp
clang/lib/Driver/ToolChains/Arch/ARM.cpp
clang/lib/Driver/ToolChains/CommonArgs.cpp
clang/lib/Driver/ToolChains/Gnu.cpp
clang/test/CodeGen/aarch64-fix-cortex-a53-835769.c
Removed:
################################################################################
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index 8858bb6bec850..4192b28ce13eb 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -918,6 +918,7 @@ def Availability : InheritableAttr {
.Case("maccatalyst_app_extension", "macCatalyst (App Extension)")
.Case("swift", "Swift")
.Case("shadermodel", "HLSL ShaderModel")
+ .Case("ohos", "OpenHarmony OS")
.Default(llvm::StringRef());
}
static llvm::StringRef getPlatformNameSourceSpelling(llvm::StringRef Platform) {
diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
index 989e631a187e8..4d66e577b107f 100644
--- a/clang/include/clang/Driver/ToolChain.h
+++ b/clang/include/clang/Driver/ToolChain.h
@@ -494,7 +494,7 @@ class ToolChain {
// Returns <ResourceDir>/lib/<OSName>/<arch>. This is used by runtimes (such
// as OpenMP) to find arch-specific libraries.
- std::string getArchSpecificLibPath() const;
+ virtual std::string getArchSpecificLibPath() const;
// Returns <OSname> part of above.
virtual StringRef getOSLibName() const;
diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp
index 07af6c07031bd..86faae7e15cb0 100644
--- a/clang/lib/Basic/TargetInfo.cpp
+++ b/clang/lib/Basic/TargetInfo.cpp
@@ -98,7 +98,8 @@ TargetInfo::TargetInfo(const llvm::Triple &T) : Triple(T) {
// https://www.gnu.org/software/libc/manual/html_node/Malloc-Examples.html.
// This alignment guarantee also applies to Windows and Android. On Darwin
// and OpenBSD, the alignment is 16 bytes on both 64-bit and 32-bit systems.
- if (T.isGNUEnvironment() || T.isWindowsMSVCEnvironment() || T.isAndroid())
+ if (T.isGNUEnvironment() || T.isWindowsMSVCEnvironment() || T.isAndroid() ||
+ T.isOHOSFamily())
NewAlign = Triple.isArch64Bit() ? 128 : Triple.isArch32Bit() ? 64 : 0;
else if (T.isOSDarwin() || T.isOSOpenBSD())
NewAlign = 128;
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 6f504e7867325..7e687c119c1c4 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -148,7 +148,12 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
- return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
+ switch (Triple.getEnvironment()) {
+ default:
+ return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenHOS:
+ return new OHOSTargetInfo<AArch64leTargetInfo>(Triple, Opts);
+ }
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
@@ -188,7 +193,14 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
case llvm::Triple::CloudABI:
return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
- return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
+ switch (Triple.getEnvironment()) {
+ default:
+ return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenHOS:
+ return new OHOSTargetInfo<ARMleTargetInfo>(Triple, Opts);
+ }
+ case llvm::Triple::LiteOS:
+ return new OHOSTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
@@ -263,7 +275,12 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
case llvm::Triple::mipsel:
switch (os) {
case llvm::Triple::Linux:
- return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
+ switch (Triple.getEnvironment()) {
+ default:
+ return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenHOS:
+ return new OHOSTargetInfo<MipsTargetInfo>(Triple, Opts);
+ }
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
@@ -423,7 +440,12 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
- return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
+ switch (Triple.getEnvironment()) {
+ default:
+ return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenHOS:
+ return new OHOSTargetInfo<RISCV64TargetInfo>(Triple, Opts);
+ }
default:
return new RISCV64TargetInfo(Triple, Opts);
}
@@ -561,6 +583,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::Android:
return new AndroidX86_64TargetInfo(Triple, Opts);
+ case llvm::Triple::OpenHOS:
+ return new OHOSX86_64TargetInfo(Triple, Opts);
}
}
case llvm::Triple::DragonFly:
diff --git a/clang/lib/Basic/Targets/ARM.cpp b/clang/lib/Basic/Targets/ARM.cpp
index b85d5dc2d3478..18f14244944c2 100644
--- a/clang/lib/Basic/Targets/ARM.cpp
+++ b/clang/lib/Basic/Targets/ARM.cpp
@@ -310,6 +310,7 @@ ARMTargetInfo::ARMTargetInfo(const llvm::Triple &Triple,
case llvm::Triple::GNUEABIHF:
case llvm::Triple::MuslEABI:
case llvm::Triple::MuslEABIHF:
+ case llvm::Triple::OpenHOS:
setABI("aapcs-linux");
break;
case llvm::Triple::EABIHF:
diff --git a/clang/lib/Basic/Targets/OSTargets.h b/clang/lib/Basic/Targets/OSTargets.h
index 0280129b3c950..ea21f7eafaba1 100644
--- a/clang/lib/Basic/Targets/OSTargets.h
+++ b/clang/lib/Basic/Targets/OSTargets.h
@@ -1007,6 +1007,68 @@ class LLVM_LIBRARY_VISIBILITY EmscriptenTargetInfo
}
};
+// OHOS target
+template <typename Target>
+class LLVM_LIBRARY_VISIBILITY OHOSTargetInfo : public OSTargetInfo<Target> {
+protected:
+ void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
+ MacroBuilder &Builder) const override {
+ // Linux defines; list based off of gcc output
+ DefineStd(Builder, "unix", Opts);
+
+ Builder.defineMacro("__ELF__");
+
+ // Generic OHOS target defines
+ if (Triple.isOHOSFamily()) {
+ Builder.defineMacro("__OHOS_FAMILY__", "1");
+
+ auto Version = Triple.getEnvironmentVersion();
+ this->PlatformName = "ohos";
+ this->PlatformMinVersion = Version;
+ Builder.defineMacro("__OHOS_Major__", Twine(Version.getMajor()));
+ if (auto Minor = Version.getMinor())
+ Builder.defineMacro("__OHOS_Minor__", Twine(*Minor));
+ if (auto Subminor = Version.getSubminor())
+ Builder.defineMacro("__OHOS_Micro__", Twine(*Subminor));
+ }
+
+ if (Triple.isOpenHOS())
+ Builder.defineMacro("__OHOS__");
+
+ if (Triple.isOSLinux()) {
+ DefineStd(Builder, "linux", Opts);
+ } else if (Triple.isOSLiteOS()) {
+ Builder.defineMacro("__LITEOS__");
+ }
+
+ if (Opts.POSIXThreads)
+ Builder.defineMacro("_REENTRANT");
+ if (Opts.CPlusPlus)
+ Builder.defineMacro("_GNU_SOURCE");
+ if (this->HasFloat128)
+ Builder.defineMacro("__FLOAT128__");
+ }
+
+public:
+ OHOSTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+ : OSTargetInfo<Target>(Triple, Opts) {
+ this->WIntType = TargetInfo::UnsignedInt;
+
+ switch (Triple.getArch()) {
+ default:
+ break;
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ this->HasFloat128 = true;
+ break;
+ }
+ }
+
+ const char *getStaticInitSectionSpecifier() const override {
+ return ".text.startup";
+ }
+};
+
} // namespace targets
} // namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_OSTARGETS_H
diff --git a/clang/lib/Basic/Targets/X86.h b/clang/lib/Basic/Targets/X86.h
index ef41195a5c096..89cb33bf6c1e4 100644
--- a/clang/lib/Basic/Targets/X86.h
+++ b/clang/lib/Basic/Targets/X86.h
@@ -963,6 +963,28 @@ class LLVM_LIBRARY_VISIBILITY AndroidX86_64TargetInfo
LongDoubleFormat = &llvm::APFloat::IEEEquad();
}
};
+
+// x86_32 OHOS target
+class LLVM_LIBRARY_VISIBILITY OHOSX86_32TargetInfo
+ : public OHOSTargetInfo<X86_32TargetInfo> {
+public:
+ OHOSX86_32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+ : OHOSTargetInfo<X86_32TargetInfo>(Triple, Opts) {
+ SuitableAlign = 32;
+ LongDoubleWidth = 64;
+ LongDoubleFormat = &llvm::APFloat::IEEEdouble();
+ }
+};
+
+// x86_64 OHOS target
+class LLVM_LIBRARY_VISIBILITY OHOSX86_64TargetInfo
+ : public OHOSTargetInfo<X86_64TargetInfo> {
+public:
+ OHOSX86_64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+ : OHOSTargetInfo<X86_64TargetInfo>(Triple, Opts) {
+ LongDoubleFormat = &llvm::APFloat::IEEEquad();
+ }
+};
} // namespace targets
} // namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_X86_H
diff --git a/clang/lib/CodeGen/ABIInfo.h b/clang/lib/CodeGen/ABIInfo.h
index 755d2aaa7beb8..1dffa41c57c58 100644
--- a/clang/lib/CodeGen/ABIInfo.h
+++ b/clang/lib/CodeGen/ABIInfo.h
@@ -81,6 +81,7 @@ namespace CodeGen {
QualType Ty) const = 0;
bool isAndroid() const;
+ bool isOHOSFamily() const;
/// Emit the target dependent code to load a value of
/// \arg Ty from the \c __builtin_ms_va_list pointed to by \arg VAListAddr.
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index ba7a51c8ba77c..39e64a140aae1 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -236,6 +236,10 @@ const CodeGenOptions &ABIInfo::getCodeGenOpts() const {
bool ABIInfo::isAndroid() const { return getTarget().getTriple().isAndroid(); }
+bool ABIInfo::isOHOSFamily() const {
+ return getTarget().getTriple().isOHOSFamily();
+}
+
bool ABIInfo::isHomogeneousAggregateBaseType(QualType Ty) const {
return false;
}
@@ -5733,7 +5737,7 @@ ABIArgInfo AArch64ABIInfo::coerceIllegalVector(QualType Ty) const {
uint64_t Size = getContext().getTypeSize(Ty);
// Android promotes <2 x i8> to i16, not i32
- if (isAndroid() && (Size <= 16)) {
+ if ((isAndroid() || isOHOSFamily()) && (Size <= 16)) {
llvm::Type *ResType = llvm::Type::getInt16Ty(getVMContext());
return ABIArgInfo::getDirect(ResType);
}
@@ -6340,7 +6344,7 @@ class ARMABIInfo : public ABIInfo {
case llvm::Triple::MuslEABIHF:
return true;
default:
- return false;
+ return getTarget().getTriple().isOHOSFamily();
}
}
diff --git a/clang/lib/Driver/CMakeLists.txt b/clang/lib/Driver/CMakeLists.txt
index e0bf3efc44c20..3d83c86100bec 100644
--- a/clang/lib/Driver/CMakeLists.txt
+++ b/clang/lib/Driver/CMakeLists.txt
@@ -76,6 +76,7 @@ add_clang_library(clangDriver
ToolChains/Myriad.cpp
ToolChains/NaCl.cpp
ToolChains/NetBSD.cpp
+ ToolChains/OHOS.cpp
ToolChains/OpenBSD.cpp
ToolChains/PS4CPU.cpp
ToolChains/RISCVToolchain.cpp
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 6533d4e49cbbe..1e7c1daeed7f3 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -40,6 +40,7 @@
#include "ToolChains/Myriad.h"
#include "ToolChains/NaCl.h"
#include "ToolChains/NetBSD.h"
+#include "ToolChains/OHOS.h"
#include "ToolChains/OpenBSD.h"
#include "ToolChains/PPCFreeBSD.h"
#include "ToolChains/PPCLinux.h"
@@ -6073,7 +6074,8 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
Args);
else if (Target.getArch() == llvm::Triple::ve)
TC = std::make_unique<toolchains::VEToolChain>(*this, Target, Args);
-
+ else if (Target.isOHOSFamily())
+ TC = std::make_unique<toolchains::OHOS>(*this, Target, Args);
else
TC = std::make_unique<toolchains::Linux>(*this, Target, Args);
break;
@@ -6137,6 +6139,9 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
case llvm::Triple::Hurd:
TC = std::make_unique<toolchains::Hurd>(*this, Target, Args);
break;
+ case llvm::Triple::LiteOS:
+ TC = std::make_unique<toolchains::OHOS>(*this, Target, Args);
+ break;
case llvm::Triple::ZOS:
TC = std::make_unique<toolchains::ZOS>(*this, Target, Args);
break;
diff --git a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
index 0b2ee72f7868e..f3bc00188c784 100644
--- a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
@@ -606,7 +606,7 @@ void aarch64::getAArch64TargetFeatures(const Driver &D,
Features.push_back("+fix-cortex-a53-835769");
else
Features.push_back("-fix-cortex-a53-835769");
- } else if (Triple.isAndroid()) {
+ } else if (Triple.isAndroid() || Triple.isOHOSFamily()) {
// Enabled A53 errata (835769) workaround by default on android
Features.push_back("+fix-cortex-a53-835769");
} else if (Triple.isOSFuchsia()) {
diff --git a/clang/lib/Driver/ToolChains/Arch/ARM.cpp b/clang/lib/Driver/ToolChains/Arch/ARM.cpp
index e75f8a474410c..1ba4252b4cef7 100644
--- a/clang/lib/Driver/ToolChains/Arch/ARM.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/ARM.cpp
@@ -275,6 +275,11 @@ void arm::setArchNameInTriple(const Driver &D, const ArgList &Args,
void arm::setFloatABIInTriple(const Driver &D, const ArgList &Args,
llvm::Triple &Triple) {
+ if (Triple.isOSLiteOS()) {
+ Triple.setEnvironment(llvm::Triple::OpenHOS);
+ return;
+ }
+
bool isHardFloat =
(arm::getARMFloatABI(D, Triple, Args) == arm::FloatABI::Hard);
@@ -294,6 +299,8 @@ void arm::setFloatABIInTriple(const Driver &D, const ArgList &Args,
Triple.setEnvironment(isHardFloat ? llvm::Triple::MuslEABIHF
: llvm::Triple::MuslEABI);
break;
+ case llvm::Triple::OpenHOS:
+ break;
default: {
arm::FloatABI DefaultABI = arm::getDefaultFloatABI(Triple);
if (DefaultABI != arm::FloatABI::Invalid &&
@@ -363,6 +370,8 @@ arm::FloatABI arm::getDefaultFloatABI(const llvm::Triple &Triple) {
return FloatABI::SoftFP;
default:
+ if (Triple.isOHOSFamily())
+ return FloatABI::Soft;
switch (Triple.getEnvironment()) {
case llvm::Triple::GNUEABIHF:
case llvm::Triple::MuslEABIHF:
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index bc32b8d8cac8d..1c13df62f7231 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -957,7 +957,7 @@ void tools::linkSanitizerRuntimeDeps(const ToolChain &TC,
CmdArgs.push_back(getAsNeededOption(TC, false));
// There's no libpthread or librt on RTEMS & Android.
if (TC.getTriple().getOS() != llvm::Triple::RTEMS &&
- !TC.getTriple().isAndroid()) {
+ !TC.getTriple().isAndroid() && !TC.getTriple().isOHOSFamily()) {
CmdArgs.push_back("-lpthread");
if (!TC.getTriple().isOSOpenBSD())
CmdArgs.push_back("-lrt");
@@ -1381,6 +1381,10 @@ tools::ParsePICArgs(const ToolChain &ToolChain, const ArgList &Args) {
}
}
+ // OHOS-specific defaults for PIC/PIE
+ if (Triple.isOHOSFamily() && Triple.getArch() == llvm::Triple::aarch64)
+ PIC = true;
+
// OpenBSD-specific defaults for PIE
if (Triple.isOSOpenBSD()) {
switch (ToolChain.getArch()) {
@@ -1667,6 +1671,12 @@ static LibGccType getLibGccType(const ToolChain &TC, const Driver &D,
static void AddUnwindLibrary(const ToolChain &TC, const Driver &D,
ArgStringList &CmdArgs, const ArgList &Args) {
ToolChain::UnwindLibType UNW = TC.GetUnwindLibType(Args);
+ // By default OHOS binaries are linked statically to libunwind.
+ if (TC.getTriple().isOHOSFamily() && UNW == ToolChain::UNW_CompilerRT) {
+ CmdArgs.push_back("-l:libunwind.a");
+ return;
+ }
+
// Targets that don't use unwind libraries.
if ((TC.getTriple().isAndroid() && UNW == ToolChain::UNW_Libgcc) ||
TC.getTriple().isOSIAMCU() || TC.getTriple().isOSBinFormatWasm() ||
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 24fbdcffc07ba..7e72a1d1433da 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -405,6 +405,7 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
const llvm::Triple &Triple = getToolChain().getEffectiveTriple();
const llvm::Triple::ArchType Arch = ToolChain.getArch();
+ const bool isOHOSFamily = ToolChain.getTriple().isOHOSFamily();
const bool isAndroid = ToolChain.getTriple().isAndroid();
const bool IsIAMCU = ToolChain.getTriple().isOSIAMCU();
const bool IsVE = ToolChain.getTriple().isVE();
@@ -455,7 +456,7 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
// Most Android ARM64 targets should enable the linker fix for erratum
// 843419. Only non-Cortex-A53 devices are allowed to skip this flag.
- if (Arch == llvm::Triple::aarch64 && isAndroid) {
+ if (Arch == llvm::Triple::aarch64 && (isAndroid || isOHOSFamily)) {
std::string CPU = getCPUName(D, Args, Triple);
if (CPU.empty() || CPU == "generic" || CPU == "cortex-a53")
CmdArgs.push_back("--fix-cortex-a53-843419");
@@ -641,7 +642,9 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("--pop-state");
}
- if (WantPthread && !isAndroid)
+ // We don't need libpthread neither for bionic (Android) nor for musl,
+ // (used by OHOS as runtime library).
+ if (WantPthread && !isAndroid && !isOHOSFamily)
CmdArgs.push_back("-lpthread");
if (Args.hasArg(options::OPT_fsplit_stack))
diff --git a/clang/lib/Driver/ToolChains/OHOS.cpp b/clang/lib/Driver/ToolChains/OHOS.cpp
new file mode 100644
index 0000000000000..71a4ccd042ac8
--- /dev/null
+++ b/clang/lib/Driver/ToolChains/OHOS.cpp
@@ -0,0 +1,411 @@
+//===--- OHOS.cpp - OHOS ToolChain Implementations --------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "OHOS.h"
+#include "Arch/ARM.h"
+#include "CommonArgs.h"
+#include "clang/Config/config.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/SanitizerArgs.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/ProfileData/InstrProf.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/VirtualFileSystem.h"
+#include "llvm/Support/ScopedPrinter.h"
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+using namespace clang::driver::tools;
+using namespace clang;
+using namespace llvm::opt;
+using namespace clang::driver::tools::arm;
+
+using tools::addMultilibFlag;
+using tools::addPathIfExists;
+
+static bool findOHOSMuslMultilibs(const Multilib::flags_list &Flags,
+ DetectedMultilibs &Result) {
+ MultilibSet Multilibs;
+ Multilibs.push_back(Multilib());
+ // -mcpu=cortex-a7
+ // -mfloat-abi=soft -mfloat-abi=softfp -mfloat-abi=hard
+ // -mfpu=neon-vfpv4
+ Multilibs.push_back(Multilib("/a7_soft", {}, {}, 1,
+ {"+mcpu=cortex-a7", "+mfloat-abi=soft"}));
+
+ Multilibs.push_back(Multilib("/a7_softfp_neon-vfpv4", {}, {}, 1,
+ {"+mcpu=cortex-a7", "+mfloat-abi=softfp", "+mfpu=neon-vfpv4"}));
+
+ Multilibs.push_back(Multilib("/a7_hard_neon-vfpv4", {}, {}, 1,
+ {"+mcpu=cortex-a7", "+mfloat-abi=hard", "+mfpu=neon-vfpv4"}));
+
+ if (Multilibs.select(Flags, Result.SelectedMultilib)) {
+ Result.Multilibs = Multilibs;
+ return true;
+ }
+ return false;
+}
+
+static bool findOHOSMultilibs(const Driver &D,
+ const ToolChain &TC,
+ const llvm::Triple &TargetTriple,
+ StringRef Path, const ArgList &Args,
+ DetectedMultilibs &Result) {
+ Multilib::flags_list Flags;
+ bool IsA7 = false;
+ if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ IsA7 = A->getValue() == StringRef("cortex-a7");
+ addMultilibFlag(IsA7, "mcpu=cortex-a7", Flags);
+
+ bool IsMFPU = false;
+ if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
+ IsMFPU = A->getValue() == StringRef("neon-vfpv4");
+ addMultilibFlag(IsMFPU, "mfpu=neon-vfpv4", Flags);
+
+ tools::arm::FloatABI ARMFloatABI = getARMFloatABI(D, TargetTriple, Args);
+ addMultilibFlag((ARMFloatABI == tools::arm::FloatABI::Soft),
+ "mfloat-abi=soft", Flags);
+ addMultilibFlag((ARMFloatABI == tools::arm::FloatABI::SoftFP),
+ "mfloat-abi=softfp", Flags);
+ addMultilibFlag((ARMFloatABI == tools::arm::FloatABI::Hard),
+ "mfloat-abi=hard", Flags);
+
+ return findOHOSMuslMultilibs(Flags, Result);
+}
+
+std::string OHOS::getMultiarchTriple(const llvm::Triple &T) const {
+ // For most architectures, just use whatever we have rather than trying to be
+ // clever.
+ switch (T.getArch()) {
+ default:
+ break;
+
+ // We use the existence of '/lib/<triple>' as a directory to detect some
+ // common linux triples that don't quite match the Clang triple for both
+ // 32-bit and 64-bit targets. Multiarch fixes its install triples to these
+ // regardless of what the actual target triple is.
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ return T.isOSLiteOS() ? "arm-liteos-ohos" : "arm-linux-ohos";
+ case llvm::Triple::riscv32:
+ return "riscv32-linux-ohos";
+ case llvm::Triple::riscv64:
+ return "riscv64-linux-ohos";
+ case llvm::Triple::mipsel:
+ return "mipsel-linux-ohos";
+ case llvm::Triple::x86:
+ return "i686-linux-ohos";
+ case llvm::Triple::x86_64:
+ return "x86_64-linux-ohos";
+ case llvm::Triple::aarch64:
+ return "aarch64-linux-ohos";
+ }
+ return T.str();
+}
+
+std::string OHOS::getMultiarchTriple(const Driver &D,
+ const llvm::Triple &TargetTriple,
+ StringRef SysRoot) const {
+ return getMultiarchTriple(TargetTriple);
+}
+
+static std::string makePath(const std::initializer_list<std::string> &IL) {
+ SmallString<128> P;
+ for (const auto &S : IL)
+ llvm::sys::path::append(P, S);
+ return static_cast<std::string>(P.str());
+}
+
+/// OHOS Toolchain
+OHOS::OHOS(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ : Generic_ELF(D, Triple, Args) {
+ std::string SysRoot = computeSysRoot();
+
+ // Select the correct multilib according to the given arguments.
+ DetectedMultilibs Result;
+ findOHOSMultilibs(D, *this, Triple, "", Args, Result);
+ Multilibs = Result.Multilibs;
+ SelectedMultilib = Result.SelectedMultilib;
+
+ getFilePaths().clear();
+ std::string CandidateLibPath = getArchSpecificLibPath();
+ if (getVFS().exists(CandidateLibPath))
+ getFilePaths().push_back(CandidateLibPath);
+
+ getLibraryPaths().clear();
+ for (auto &Path : getRuntimePaths())
+ if (getVFS().exists(Path))
+ getLibraryPaths().push_back(Path);
+
+ // OHOS sysroots contain a library directory for each supported OS
+ // version as well as some unversioned libraries in the usual multiarch
+ // directory. Support --target=aarch64-linux-ohosX.Y.Z or
+ // --target=aarch64-linux-ohosX.Y or --target=aarch64-linux-ohosX
+ path_list &Paths = getFilePaths();
+ std::string SysRootLibPath = makePath({SysRoot, "usr", "lib"});
+ std::string MultiarchTriple = getMultiarchTriple(getTriple());
+ addPathIfExists(D, makePath({SysRootLibPath, SelectedMultilib.gccSuffix()}),
+ Paths);
+ addPathIfExists(D,
+ makePath({D.Dir, "..", "lib", MultiarchTriple,
+ SelectedMultilib.gccSuffix()}),
+ Paths);
+
+ addPathIfExists(
+ D,
+ makePath({SysRootLibPath, MultiarchTriple, SelectedMultilib.gccSuffix()}),
+ Paths);
+}
+
+ToolChain::RuntimeLibType OHOS::GetRuntimeLibType(
+ const ArgList &Args) const {
+ if (Arg *A = Args.getLastArg(clang::driver::options::OPT_rtlib_EQ)) {
+ StringRef Value = A->getValue();
+ if (Value != "compiler-rt")
+ getDriver().Diag(clang::diag::err_drv_invalid_rtlib_name)
+ << A->getAsString(Args);
+ }
+
+ return ToolChain::RLT_CompilerRT;
+}
+
+ToolChain::CXXStdlibType
+OHOS::GetCXXStdlibType(const ArgList &Args) const {
+ if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
+ StringRef Value = A->getValue();
+ if (Value != "libc++")
+ getDriver().Diag(diag::err_drv_invalid_stdlib_name)
+ << A->getAsString(Args);
+ }
+
+ return ToolChain::CST_Libcxx;
+}
+
+void OHOS::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ const Driver &D = getDriver();
+ const llvm::Triple &Triple = getTriple();
+ std::string SysRoot = computeSysRoot();
+
+ if (DriverArgs.hasArg(options::OPT_nostdinc))
+ return;
+
+ if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+ SmallString<128> P(D.ResourceDir);
+ llvm::sys::path::append(P, "include");
+ addSystemInclude(DriverArgs, CC1Args, P);
+ }
+
+ if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+ return;
+
+ // Check for configure-time C include directories.
+ StringRef CIncludeDirs(C_INCLUDE_DIRS);
+ if (CIncludeDirs != "") {
+ SmallVector<StringRef, 5> dirs;
+ CIncludeDirs.split(dirs, ":");
+ for (StringRef dir : dirs) {
+ StringRef Prefix =
+ llvm::sys::path::is_absolute(dir) ? StringRef(SysRoot) : "";
+ addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
+ }
+ return;
+ }
+
+ addExternCSystemInclude(DriverArgs, CC1Args,
+ SysRoot + "/usr/include/" +
+ getMultiarchTriple(Triple));
+ addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/include");
+ addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include");
+}
+
+void OHOS::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
+ DriverArgs.hasArg(options::OPT_nostdincxx))
+ return;
+
+ switch (GetCXXStdlibType(DriverArgs)) {
+ case ToolChain::CST_Libcxx: {
+ std::string IncPath = makePath({getDriver().Dir, "..", "include"});
+ std::string IncTargetPath =
+ makePath({IncPath, getMultiarchTriple(getTriple()), "c++", "v1"});
+ if (getVFS().exists(IncTargetPath)) {
+ addSystemInclude(DriverArgs, CC1Args, makePath({IncPath, "c++", "v1"}));
+ addSystemInclude(DriverArgs, CC1Args, IncTargetPath);
+ }
+ break;
+ }
+
+ default:
+ llvm_unreachable("invalid stdlib name");
+ }
+}
+
+void OHOS::AddCXXStdlibLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ switch (GetCXXStdlibType(Args)) {
+ case ToolChain::CST_Libcxx:
+ CmdArgs.push_back("-lc++");
+ CmdArgs.push_back("-lc++abi");
+ CmdArgs.push_back("-lunwind");
+ break;
+
+ case ToolChain::CST_Libstdcxx:
+ llvm_unreachable("invalid stdlib name");
+ }
+}
+
+std::string OHOS::computeSysRoot() const {
+ std::string SysRoot =
+ !getDriver().SysRoot.empty()
+ ? getDriver().SysRoot
+ : makePath({getDriver().getInstalledDir(), "..", "..", "sysroot"});
+ if (!llvm::sys::fs::exists(SysRoot))
+ return std::string();
+
+ std::string ArchRoot = makePath({SysRoot, getMultiarchTriple(getTriple())});
+ return llvm::sys::fs::exists(ArchRoot) ? ArchRoot : SysRoot;
+}
+
+ToolChain::path_list OHOS::getRuntimePaths() const {
+ SmallString<128> P;
+ path_list Paths;
+ const Driver &D = getDriver();
+ const llvm::Triple &Triple = getTriple();
+
+ // First try the triple passed to driver as --target=<triple>.
+ P.assign(D.ResourceDir);
+ llvm::sys::path::append(P, "lib", D.getTargetTriple(), SelectedMultilib.gccSuffix());
+ Paths.push_back(P.c_str());
+
+ // Second try the normalized triple.
+ P.assign(D.ResourceDir);
+ llvm::sys::path::append(P, "lib", Triple.str(), SelectedMultilib.gccSuffix());
+ Paths.push_back(P.c_str());
+
+ // Third try the effective triple.
+ P.assign(D.ResourceDir);
+ std::string SysRoot = computeSysRoot();
+ llvm::sys::path::append(P, "lib", getMultiarchTriple(Triple),
+ SelectedMultilib.gccSuffix());
+ Paths.push_back(P.c_str());
+
+ return Paths;
+}
+
+std::string OHOS::getDynamicLinker(const ArgList &Args) const {
+ const llvm::Triple &Triple = getTriple();
+ const llvm::Triple::ArchType Arch = getArch();
+
+ assert(Triple.isMusl());
+ std::string ArchName;
+ bool IsArm = false;
+
+ switch (Arch) {
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ ArchName = "arm";
+ IsArm = true;
+ break;
+ case llvm::Triple::armeb:
+ case llvm::Triple::thumbeb:
+ ArchName = "armeb";
+ IsArm = true;
+ break;
+ default:
+ ArchName = Triple.getArchName().str();
+ }
+ if (IsArm &&
+ (tools::arm::getARMFloatABI(*this, Args) == tools::arm::FloatABI::Hard))
+ ArchName += "hf";
+
+ return "/lib/ld-musl-" + ArchName + ".so.1";
+}
+
+std::string OHOS::getCompilerRT(const ArgList &Args, StringRef Component,
+ FileType Type) const {
+ SmallString<128> Path(getDriver().ResourceDir);
+ llvm::sys::path::append(Path, "lib", getMultiarchTriple(getTriple()),
+ SelectedMultilib.gccSuffix());
+ const char *Prefix =
+ Type == ToolChain::FT_Object ? "" : "lib";
+ const char *Suffix;
+ switch (Type) {
+ case ToolChain::FT_Object:
+ Suffix = ".o";
+ break;
+ case ToolChain::FT_Static:
+ Suffix = ".a";
+ break;
+ case ToolChain::FT_Shared:
+ Suffix = ".so";
+ break;
+ }
+ llvm::sys::path::append(
+ Path, Prefix + Twine("clang_rt.") + Component + Suffix);
+ return static_cast<std::string>(Path.str());
+}
+
+void OHOS::addExtraOpts(llvm::opt::ArgStringList &CmdArgs) const {
+ CmdArgs.push_back("-z");
+ CmdArgs.push_back("now");
+ CmdArgs.push_back("-z");
+ CmdArgs.push_back("relro");
+ CmdArgs.push_back("-z");
+ CmdArgs.push_back("max-page-size=4096");
+ // .gnu.hash section is not compatible with the MIPS target
+ if (getArch() != llvm::Triple::mipsel)
+ CmdArgs.push_back("--hash-style=both");
+#ifdef ENABLE_LINKER_BUILD_ID
+ CmdArgs.push_back("--build-id");
+#endif
+ CmdArgs.push_back("--enable-new-dtags");
+}
+
+SanitizerMask OHOS::getSupportedSanitizers() const {
+ SanitizerMask Res = ToolChain::getSupportedSanitizers();
+ Res |= SanitizerKind::Address;
+ Res |= SanitizerKind::PointerCompare;
+ Res |= SanitizerKind::PointerSubtract;
+ Res |= SanitizerKind::Fuzzer;
+ Res |= SanitizerKind::FuzzerNoLink;
+ Res |= SanitizerKind::Memory;
+ Res |= SanitizerKind::Vptr;
+ Res |= SanitizerKind::SafeStack;
+ Res |= SanitizerKind::Scudo;
+ // TODO: kASAN for liteos ??
+ // TODO: Support TSAN and HWASAN and update mask.
+ return Res;
+}
+
+// TODO: Make a base class for Linux and OHOS and move this there.
+void OHOS::addProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const {
+ // Add linker option -u__llvm_profile_runtime to cause runtime
+ // initialization module to be linked in.
+ if (needsProfileRT(Args))
+ CmdArgs.push_back(Args.MakeArgString(
+ Twine("-u", llvm::getInstrProfRuntimeHookVarName())));
+ ToolChain::addProfileRTLibs(Args, CmdArgs);
+}
+
+std::string OHOS::getArchSpecificLibPath() const {
+ llvm::Triple Triple = getTriple();
+ return makePath({getDriver().ResourceDir, "lib", getMultiarchTriple(Triple)});
+}
+
+ToolChain::UnwindLibType OHOS::GetUnwindLibType(const llvm::opt::ArgList &Args) const {
+ if (const Arg *A = Args.getLastArg(options::OPT_unwindlib_EQ))
+ return Generic_ELF::GetUnwindLibType(Args);
+ return GetDefaultUnwindLibType();
+}
diff --git a/clang/lib/Driver/ToolChains/OHOS.h b/clang/lib/Driver/ToolChains/OHOS.h
new file mode 100644
index 0000000000000..9ce0d0c4325bf
--- /dev/null
+++ b/clang/lib/Driver/ToolChains/OHOS.h
@@ -0,0 +1,94 @@
+//===--- OHOS.h - OHOS ToolChain Implementations ----------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OHOS_H
+#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OHOS_H
+
+#include "Linux.h"
+#include "clang/Driver/Tool.h"
+#include "clang/Driver/ToolChain.h"
+
+namespace clang {
+namespace driver {
+namespace toolchains {
+
+class LLVM_LIBRARY_VISIBILITY OHOS : public Generic_ELF {
+public:
+ OHOS(const Driver &D, const llvm::Triple &Triple,
+ const llvm::opt::ArgList &Args);
+
+ bool HasNativeLLVMSupport() const override { return true; }
+ bool IsIntegratedAssemblerDefault() const override { return true; }
+ bool IsMathErrnoDefault() const override { return false; }
+ RuntimeLibType GetDefaultRuntimeLibType() const override {
+ return ToolChain::RLT_CompilerRT;
+ }
+ CXXStdlibType GetDefaultCXXStdlibType() const override {
+ return ToolChain::CST_Libcxx;
+ }
+ // Not add -funwind-tables by default
+ bool isPICDefault() const override { return false; }
+ bool isPIEDefault(const llvm::opt::ArgList &Args) const override { return true; }
+ bool isPICDefaultForced() const override { return false; }
+ bool useRelaxRelocations() const override { return false; }
+ UnwindLibType GetUnwindLibType(const llvm::opt::ArgList &Args) const override;
+ UnwindLibType GetDefaultUnwindLibType() const override { return UNW_CompilerRT; }
+
+ RuntimeLibType
+ GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
+ CXXStdlibType
+ GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
+
+ void
+ AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args) const override;
+ void
+ AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args) const override;
+ void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override;
+
+ std::string computeSysRoot() const override;
+ std::string getDynamicLinker(const llvm::opt::ArgList &Args) const override;
+
+ std::string
+ getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
+ FileType Type = ToolChain::FT_Static) const override;
+
+ const char *getDefaultLinker() const override {
+ return "ld.lld";
+ }
+
+ Tool *buildLinker() const override {
+ return new tools::gnutools::Linker(*this);
+ }
+ Tool *buildAssembler() const override {
+ return new tools::gnutools::Assembler(*this);
+ }
+
+ path_list getRuntimePaths() const;
+
+protected:
+ std::string getMultiarchTriple(const llvm::Triple &T) const;
+ std::string getMultiarchTriple(const Driver &D,
+ const llvm::Triple &TargetTriple,
+ StringRef SysRoot) const override;
+ void addExtraOpts(llvm::opt::ArgStringList &CmdArgs) const override;
+ SanitizerMask getSupportedSanitizers() const override;
+ void addProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override;
+ std::string getArchSpecificLibPath() const override;
+private:
+ Multilib SelectedMultilib;
+};
+
+} // end namespace toolchains
+} // end namespace driver
+} // end namespace clang
+
+#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_OHOS_H
diff --git a/clang/test/CodeGen/aarch64-fix-cortex-a53-835769.c b/clang/test/CodeGen/aarch64-fix-cortex-a53-835769.c
index 3ce5b9d122176..3d1a2c7aceb1f 100644
--- a/clang/test/CodeGen/aarch64-fix-cortex-a53-835769.c
+++ b/clang/test/CodeGen/aarch64-fix-cortex-a53-835769.c
@@ -7,6 +7,8 @@
// RUN: %clang -O3 -target aarch64-android-eabi %s -S -o- \
// RUN: | FileCheck --check-prefix=CHECK-YES --check-prefix=CHECK %s
+// RUN: %clang -O3 -target aarch64-linux-ohos %s -S -o- \
+// RUN: | FileCheck --check-prefix=CHECK-YES --check-prefix=CHECK %s
// RUN: %clang -O3 -target aarch64-android-eabi -mfix-cortex-a53-835769 %s -S -o- \
// RUN: | FileCheck --check-prefix=CHECK-YES --check-prefix=CHECK %s
// RUN: %clang -O3 -target aarch64-android-eabi -mno-fix-cortex-a53-835769 %s -S -o- \
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/bin/.keep b/clang/test/Driver/Inputs/ohos_native_tree/llvm/bin/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/include/c++/v1/.keep b/clang/test/Driver/Inputs/ohos_native_tree/llvm/include/c++/v1/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_soft/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_soft/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_hard_neon-vfpv4/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_hard_neon-vfpv4/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_soft/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_soft/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_softfp_neon-vfpv4/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/c++/a7_softfp_neon-vfpv4/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/libc++.so b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/arm-liteos-ohos/libc++.so
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/.keep b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/.keep b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/clang_rt.crtbegin.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/clang_rt.crtbegin.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/clang_rt.crtend.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/clang_rt.crtend.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.builtins.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.builtins.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.profile.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.profile.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/.keep b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/clang_rt.crtbegin.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/clang_rt.crtbegin.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/clang_rt.crtend.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/clang_rt.crtend.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/libclang_rt.builtins.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/libclang_rt.builtins.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/libclang_rt.profile.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_soft/libclang_rt.profile.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/.keep b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/clang_rt.crtbegin.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/clang_rt.crtbegin.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/clang_rt.crtend.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/clang_rt.crtend.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.builtins.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.builtins.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.profile.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.profile.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/clang_rt.crtbegin.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/clang_rt.crtbegin.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/clang_rt.crtend.o b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/clang_rt.crtend.o
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/libclang_rt.builtins.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/libclang_rt.builtins.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/libclang_rt.profile.a b/clang/test/Driver/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z/lib/arm-liteos-ohos/libclang_rt.profile.a
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/include/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/include/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/include/arm-liteos-ohos/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/include/arm-liteos-ohos/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_soft/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_soft/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/.keep b/clang/test/Driver/Inputs/ohos_native_tree/sysroot/usr/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/ohos.c b/clang/test/Driver/ohos.c
new file mode 100644
index 0000000000000..2d1235f5fa733
--- /dev/null
+++ b/clang/test/Driver/ohos.c
@@ -0,0 +1,240 @@
+// RUN: %clang %s -### -no-canonical-prefixes --target=arm-liteos \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot -fuse-ld=lld -march=armv7-a 2>&1 \
+// RUN: | FileCheck -check-prefixes=CHECK,CHECK-ARM %s
+// RUN: %clang %s -### -no-canonical-prefixes --target=arm-liteos \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot -fuse-ld=lld -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=soft 2>&1 \
+// RUN: | FileCheck -check-prefixes=CHECK,CHECK-ARM-A7-SOFT %s
+// CHECK: {{.*}}clang{{.*}}" "-cc1"
+// CHECK-NOT: "--mrelax-relocations"
+// CHECK-NOT: "-munwind-tables"
+// CHECK: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
+// CHECK-NOT: "-fsanitize=safe-stack"
+// CHECK-NOT: "-stack-protector" "2"
+// CHECK-NOT: "-fno-common"
+// CHECK: {{.*}}ld.lld{{.*}}" "--sysroot=[[SYSROOT]]"
+// CHECK-NOT: "--sysroot=[[SYSROOT]]"
+// CHECK: "-pie"
+// CHECK-NOT: "--build-id"
+// CHECK: "--hash-style=both"
+// CHECK: "-dynamic-linker" "/lib/ld-musl-arm.so.1"
+// CHECK: Scrt1.o
+// CHECK: crti.o
+// CHECK: clang_rt.crtbegin.o
+// CHECK-ARM: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/"
+// CHECK-ARM-A7-SOFT: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_soft"
+// CHECK-ARM: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.builtins.a"
+// CHECK-ARM-A7-SOFT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos/a7_soft{{/|\\\\}}libclang_rt.builtins.a"
+// CHECK: "-lc"
+// CHECK: clang_rt.crtend.o
+// CHECK: crtn.o
+
+// RUN: %clang %s -### --target=arm-liteos -rtlib=libgcc -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-RTLIB
+// CHECK-RTLIB: error: invalid runtime library name in argument '-rtlib=libgcc'
+
+// RUN: %clang %s -### --target=arm-liteos -static -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-STATIC
+// CHECK-STATIC: "-static"
+// CHECK-STATIC-NOT: "-Bdynamic"
+// CHECK-STATIC: "-l:libunwind.a"
+// CHECK-STATIC: "-lc"
+
+// RUN: %clang %s -### --target=arm-liteos -shared -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-SHARED
+// CHECK-SHARED-NOT: "-pie"
+// CHECK-SHARED: "-shared"
+// CHECK-SHARED: "-lc"
+// CHECK-SHARED: "-l:libunwind.a"
+
+// RUN: %clang %s -### --target=arm-linux-ohos -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-RUNTIME
+// RUN: %clang %s -### --target=aarch64-linux-ohos -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-RUNTIME
+// RUN: %clang %s -### --target=mipsel-linux-ohos -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-RUNTIME
+// RUN: %clang %s -### --target=x86_64-linux-ohos -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-RUNTIME
+// CHECK-RUNTIME: "{{.*}}/libclang_rt.builtins.a"
+// CHECK-RUNTIME: "-l:libunwind.a"
+// CHECK-LIBM: "-lm"
+
+// RUN: %clang %s -### --target=arm-liteos -r -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-RELOCATABLE
+// CHECK-RELOCATABLE-NOT: "-pie"
+// CHECK-RELOCATABLE-NOT: "--build-id"
+// CHECK-RELOCATABLE: "-r"
+
+// RUN: %clang %s -### --target=arm-liteos -nodefaultlibs -fuse-ld=lld 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: | FileCheck %s -check-prefix=CHECK-NODEFAULTLIBS
+// CHECK-NODEFAULTLIBS: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-NODEFAULTLIBS-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.builtins.a"
+// CHECK-NODEFAULTLIBS-NOT: "-lc"
+
+// RUN: %clang %s -### --target=arm-liteos -nostdlib -fuse-ld=lld 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: | FileCheck %s -check-prefix=CHECK-NOSTDLIB
+// CHECK-NOSTDLIB: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-NOSTDLIB-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.builtins.a"
+// CHECK-NOSTDLIB-NOT: "-lc"
+
+// RUN: %clang %s -### --target=arm-liteos -nolibc -fuse-ld=lld 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: | FileCheck %s -check-prefix=CHECK-NOLIBC
+// CHECK-NOLIBC: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-NOLIBC: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.builtins.a"
+// CHECK-NOLIBC-NOT: "-lc"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fsanitize=safe-stack 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-SAFESTACK
+// CHECK-SAFESTACK: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-SAFESTACK: "-fsanitize=safe-stack"
+// CHECK-SAFESTACK: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.safestack.a"
+// CHECK-SAFESTACK: "__safestack_init"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fsanitize=address 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-ASAN-ARM
+// CHECK-ASAN-ARM: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-ASAN-ARM: "-fsanitize=address"
+// CHECK-ASAN-ARM: "-fsanitize-address-use-after-scope"
+// CHECK-ASAN-ARM: "-dynamic-linker" "/lib/ld-musl-arm.so.1"
+// CHECK-ASAN-ARM: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.asan.a"
+// CHECK-ASAN-ARM-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.asan-preinit.a"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fsanitize=address -fPIC -shared 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -shared-libsan \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-ASAN-SHARED
+// CHECK-ASAN-SHARED: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-ASAN-SHARED: "-fsanitize=address"
+// CHECK-ASAN-SHARED: "-fsanitize-address-use-after-scope"
+// CHECK-ASAN-SHARED: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.asan.so"
+// CHECK-ASAN-SHARED-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.asan-preinit.a"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fsanitize=fuzzer 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-FUZZER-ARM
+// CHECK-FUZZER-ARM: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-FUZZER-ARM: "-fsanitize=fuzzer,fuzzer-no-link"
+// CHECK-FUZZER-ARM: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.fuzzer.a"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fsanitize=scudo 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-SCUDO-ARM
+// CHECK-SCUDO-ARM: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-SCUDO-ARM: "-fsanitize=scudo"
+// CHECK-SCUDO-ARM: "-pie"
+// CHECK-SCUDO-ARM: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.scudo_standalone.a"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fsanitize=scudo -fPIC -shared 2>&1 \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -shared-libsan \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-SCUDO-SHARED
+// CHECK-SCUDO-SHARED: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-SCUDO-SHARED: "-fsanitize=scudo"
+// CHECK-SCUDO-SHARED: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.scudo_standalone.so"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -fxray-instrument -fxray-modes=xray-basic \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-XRAY-ARM
+// CHECK-XRAY-ARM: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-XRAY-ARM: "-fxray-instrument"
+// CHECK-XRAY-ARM: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.xray.a"
+// CHECK-XRAY-ARM: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.xray-basic.a"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -O3 -flto -mcpu=cortex-a53 2>&1 \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-LTO
+// CHECK-LTO: "-plugin-opt=mcpu=cortex-a53"
+// CHECK-LTO: "-plugin-opt=O3"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -flto=thin -flto-jobs=8 -mcpu=cortex-a7 2>&1 \
+// RUN: -fuse-ld=lld \
+// RUN: | FileCheck %s -check-prefix=CHECK-THINLTO
+// CHECK-THINLTO: "-plugin-opt=mcpu=cortex-a7"
+// CHECK-THINLTO: "-plugin-opt=thinlto"
+// CHECK-THINLTO: "-plugin-opt=jobs=8"
+
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mfloat-abi=soft 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-SF,CHECK-MULTILIB-ARM
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=soft 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-SF,CHECK-MULTILIB-ARM-A7-SOFT
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=softfp -mfpu=neon-vfpv4 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-SF,CHECK-MULTILIB-ARM-A7-SOFTFP
+// RUN: %clang %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-HF,CHECK-MULTILIB-ARM-A7-HARD
+// CHECK-MULTILIB: {{.*}}clang{{.*}}" "-cc1"
+// CHECK-MULTILIB: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-MULTILIB: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-MULTILIB: {{.*}}ld.lld{{.*}}" "--sysroot=[[SYSROOT]]"
+// CHECK-MULTILIB-SF: "-dynamic-linker" "/lib/ld-musl-arm.so.1"
+// CHECK-MULTILIB-HF: "-dynamic-linker" "/lib/ld-musl-armhf.so.1"
+
+// CHECK-MULTILIB-ARM: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/"
+
+// CHECK-MULTILIB-ARM-A7-SOFT: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_soft"
+
+// CHECK-MULTILIB-ARM-A7-SOFTFP: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4"
+
+// CHECK-MULTILIB-ARM-A7-HARD: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_hard_neon-vfpv4"
+
+// CHECK-MULTILIB-ARM: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/libclang_rt.builtins.a"
+// CHECK-MULTILIB-ARM-A7-SOFT: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/a7_soft/libclang_rt.builtins.a"
+// CHECK-MULTILIB-ARM-A7-SOFTFP: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.builtins.a"
+// CHECK-MULTILIB-ARM-A7-HARD: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.builtins.a"
+
+// RUN: %clang %s -### -no-canonical-prefixes --target=arm-linux-ohos -fprofile-instr-generate -v \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot -fuse-ld=lld -march=armv7-a 2>&1 \
+// RUN: | FileCheck -check-prefixes=CHECK-PROFILE-RTLIB %s
+
+// CHECK-PROFILE-RTLIB: -u__llvm_profile_runtime
+// CHECK-PROFILE-RTLIB: libclang_rt.profile
+
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN: --target=arm64-linux-ohos -pthread \
+// RUN: --gcc-toolchain="" \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -shared \
+// RUN: | FileCheck --check-prefix=CHECK-OHOS-PTHREAD %s
+
+// CHECK-OHOS-PTHREAD-NOT: -lpthread
+
diff --git a/clang/test/Driver/ohos.cpp b/clang/test/Driver/ohos.cpp
new file mode 100644
index 0000000000000..4b822350898c8
--- /dev/null
+++ b/clang/test/Driver/ohos.cpp
@@ -0,0 +1,121 @@
+// RUN: %clangxx %s -### -no-canonical-prefixes --target=arm-liteos -march=armv7-a \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot -fuse-ld=lld 2>&1 | FileCheck %s
+// CHECK: {{.*}}clang{{.*}}" "-cc1"
+// CHECK: "-triple" "armv7-unknown-liteos-ohos"
+// CHECK-NOT: "-fuse-init-array"
+// CHECK: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
+// CHECK: {{.*}}ld.lld{{.*}}" "--sysroot=[[SYSROOT]]"
+// CHECK: "-pie"
+// CHECK-NOT: "--build-id"
+// CHECK: "-dynamic-linker" "/lib/ld-musl-arm.so.1"
+// CHECK: Scrt1.o
+// CHECK: crti.o
+// CHECK: clang_rt.crtbegin.o
+// CHECK: "-L{{.*[/\\]}}lib/arm-liteos-ohos/"
+// CHECK-NOT: "--push-state"
+// CHECK-NOT: "--as-needed"
+// CHECK: "-lc++"
+// CHECK: "-lm"
+// CHECK-NOT: "--pop-state"
+// CHECK: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}libclang_rt.builtins.a"
+// CHECK: "-lc"
+// CHECK: clang_rt.crtend.o
+// CHECK: crtn.o
+
+// RUN: %clangxx %s -### --target=arm-unknown-liteos -stdlib=libstdc++ \
+// RUN: -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-STDLIB
+// CHECK-STDLIB: error: invalid library name in argument '-stdlib=libstdc++'
+
+// RUN: %clangxx %s -### --target=arm-unknown-liteos -static-libstdc++ \
+// RUN: -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-STATIC
+// CHECK-STATIC-NOT: "--push-state"
+// CHECK-STATIC-NOT: "--as-needed"
+// CHECK-STATIC: "-Bstatic"
+// CHECK-STATIC: "-lc++"
+// CHECK-STATIC: "-Bdynamic"
+// CHECK-STATIC: "-lm"
+// CHECK-STATIC-NOT: "--pop-state"
+// CHECK-STATIC: "-lc"
+
+// RUN: %clangxx %s -### --target=arm-unknown-liteos -static \
+// RUN: -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-STATIC1
+// CHECK-STATIC1-NOT: "-fuse-init-array"
+// CHECK-STATIC1: "-static"
+// CHECK-STATIC1: "-lc++"
+// CHECK-STATIC1: "-lc++abi"
+// CHECK-STATIC1: "-lunwind"
+// CHECK-STATIC1: "-lm"
+// CHECK-STATIC1: "-lc"
+
+// RUN: %clangxx %s -### --target=arm-unknown-liteos -march=armv7-a -mfloat-abi=soft -static -fPIE -fPIC -fpic -pie \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-STATIC2
+// CHECK-STATIC2: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-STATIC2: {{.*}}ld.lld{{.*}}" "--sysroot=[[SYSROOT]]"
+// CHECK-STATIC2: "-static"
+// CHECK-STATIC2: "-lc++"
+// CHECK-STATIC2: "-lc++abi"
+// CHECK-STATIC2: "-lunwind"
+// CHECK-STATIC2: "-lm"
+// CHECK-STATIC2: "-lc"
+
+// RUN: %clangxx %s -### --target=arm-liteos -nostdlib++ -fuse-ld=lld 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK-NOSTDLIBXX
+// CHECK-NOSTDLIBXX-NOT: "-lc++"
+// CHECK-NOSTDLIBXX: "-lm"
+// CHECK-NOSTDLIBXX: "-lc"
+
+// RUN: %clangxx %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mfloat-abi=soft 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-SF,CHECK-MULTILIB-ARM
+// RUN: %clangxx %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=soft 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-SF,CHECK-MULTILIB-ARM-A7-SOFT
+// RUN: %clangxx %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=softfp -mfpu=neon-vfpv4 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-SF,CHECK-MULTILIB-ARM-A7-SOFTFP
+// RUN: %clangxx %s -### --target=arm-liteos \
+// RUN: -ccc-install-dir %S/Inputs/ohos_native_tree/llvm/bin \
+// RUN: -resource-dir=%S/Inputs/ohos_native_tree/llvm/lib/clang/x.y.z \
+// RUN: --sysroot=%S/Inputs/ohos_native_tree/sysroot \
+// RUN: -march=armv7-a -mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4 2>&1\
+// RUN: | FileCheck %s -check-prefixes=CHECK-MULTILIB,CHECK-MULTILIB-HF,CHECK-MULTILIB-ARM-A7-HARD
+// CHECK-MULTILIB: {{.*}}clang{{.*}}" "-cc1"
+// CHECK-MULTILIB: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-MULTILIB: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-MULTILIB: {{.*}}ld.lld{{.*}}" "--sysroot=[[SYSROOT]]"
+// CHECK-MULTILIB-SF: "-dynamic-linker" "/lib/ld-musl-arm.so.1"
+// CHECK-MULTILIB-HF: "-dynamic-linker" "/lib/ld-musl-armhf.so.1"
+
+// CHECK-MULTILIB-ARM: "-L{{.*}}{{/|\\\\}}..{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}"
+// CHECK-MULTILIB-ARM: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/"
+
+// CHECK-MULTILIB-ARM-A7-SOFT: "-L{{.*}}{{/|\\\\}}..{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}a7_soft"
+// CHECK-MULTILIB-ARM-A7-SOFT: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_soft"
+
+// CHECK-MULTILIB-ARM-A7-SOFTFP: "-L{{.*}}{{/|\\\\}}..{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}a7_softfp_neon-vfpv4"
+// CHECK-MULTILIB-ARM-A7-SOFTFP: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4"
+
+// CHECK-MULTILIB-ARM-A7-HARD: "-L{{.*}}{{/|\\\\}}..{{/|\\\\}}lib{{/|\\\\}}arm-liteos-ohos{{/|\\\\}}a7_hard_neon-vfpv4"
+// CHECK-MULTILIB-ARM-A7-HARD: "-L[[SYSROOT]]/usr/lib/arm-liteos-ohos/a7_hard_neon-vfpv4"
+
+// CHECK-MULTILIB-ARM: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/libclang_rt.builtins.a"
+// CHECK-MULTILIB-ARM-A7-SOFT: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/a7_soft/libclang_rt.builtins.a"
+// CHECK-MULTILIB-ARM-A7-SOFTFP: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/a7_softfp_neon-vfpv4/libclang_rt.builtins.a"
+// CHECK-MULTILIB-ARM-A7-HARD: "[[RESOURCE_DIR]]/lib/arm-liteos-ohos/a7_hard_neon-vfpv4/libclang_rt.builtins.a"
diff --git a/clang/test/Preprocessor/ohos.c b/clang/test/Preprocessor/ohos.c
new file mode 100644
index 0000000000000..0c435c7ed5ab4
--- /dev/null
+++ b/clang/test/Preprocessor/ohos.c
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -x c++ -E -dM -ffreestanding -triple=arm-linux-ohos < /dev/null | FileCheck %s -match-full-lines -check-prefix=ARM-OHOS-CXX
+// RUN: %clang_cc1 -x c++ -E -dM -ffreestanding -triple=aarch64-linux-ohos < /dev/null | FileCheck %s -match-full-lines -check-prefix=ARM64-OHOS-CXX
+// RUN: %clang_cc1 -x c++ -E -dM -ffreestanding -triple=riscv64-linux-ohos < /dev/null | FileCheck %s -match-full-lines -check-prefix=RISCV64-OHOS-CXX
+// RUN: %clang_cc1 -x c++ -E -dM -ffreestanding -triple=mipsel-linux-ohos < /dev/null | FileCheck %s -match-full-lines -check-prefix=MIPSEL-OHOS-CXX
+// RUN: %clang_cc1 -x c++ -E -dM -ffreestanding -triple=x86_64-linux-ohos < /dev/null | FileCheck %s -match-full-lines -check-prefix=X86_64-OHOS-CXX
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=arm-linux-ohos < /dev/null | FileCheck %s -check-prefix=OHOS-DEFS
+
+// ARM-OHOS-CXX: #define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 8U
+// ARM64-OHOS-CXX: #define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 16UL
+// RISCV64-OHOS-CXX: #define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 16UL
+// MIPSEL-OHOS-CXX: #define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 8U
+// X86_64-OHOS-CXX: #define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 16UL
+// OHOS-DEFS: __OHOS_FAMILY__
+// OHOS-DEFS: __OHOS__
+// OHOS-DEFS-NOT: __OHOS__
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