diff --git a/llvm/include/llvm/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.h b/llvm/include/llvm/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.h
index 549a6c096510d851b02f7d0a45bc7f6d911da8cc..5b1f2ecf649d3a2aafcf30d193e705878cc72c70 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.h
@@ -66,7 +66,8 @@ private:
   static llvm::orc::shared::CWrapperFunctionResult
   releaseWrapper(const char *ArgData, size_t ArgSize);
 
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
   std::atomic<int> SharedMemoryCount{0};
 #endif
 
diff --git a/llvm/lib/ExecutionEngine/Orc/MemoryMapper.cpp b/llvm/lib/ExecutionEngine/Orc/MemoryMapper.cpp
index ee92e5191b507b5f3355a0a4bec494e7c3eb654d..88265dc86e54f4209780f8581a052a77c60ebbcc 100644
--- a/llvm/lib/ExecutionEngine/Orc/MemoryMapper.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/MemoryMapper.cpp
@@ -11,7 +11,8 @@
 #include "llvm/ExecutionEngine/Orc/Shared/OrcRTBridge.h"
 #include "llvm/Support/WindowsError.h"
 
-#if defined(LLVM_ON_UNIX) && !defined(__ANDROID__)
+// OHOS_LOCAL
+#if defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)
 #include <fcntl.h>
 #include <sys/mman.h>
 #include <unistd.h>
@@ -174,14 +175,16 @@ InProcessMemoryMapper::~InProcessMemoryMapper() {
 SharedMemoryMapper::SharedMemoryMapper(ExecutorProcessControl &EPC,
                                        SymbolAddrs SAs, size_t PageSize)
     : EPC(EPC), SAs(SAs), PageSize(PageSize) {
-#if (!defined(LLVM_ON_UNIX) || defined(__ANDROID__)) && !defined(_WIN32)
+// OHOS_LOCAL
+#if (!defined(LLVM_ON_UNIX) || defined(__ANDROID__) || defined(__OHOS__)) && !defined(_WIN32)
   llvm_unreachable("SharedMemoryMapper is not supported on this platform yet");
 #endif
 }
 
 Expected<std::unique_ptr<SharedMemoryMapper>>
 SharedMemoryMapper::Create(ExecutorProcessControl &EPC, SymbolAddrs SAs) {
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
   auto PageSize = sys::Process::getPageSize();
   if (!PageSize)
     return PageSize.takeError();
@@ -196,7 +199,8 @@ SharedMemoryMapper::Create(ExecutorProcessControl &EPC, SymbolAddrs SAs) {
 
 void SharedMemoryMapper::reserve(size_t NumBytes,
                                  OnReservedFunction OnReserved) {
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
 
   EPC.callSPSWrapperAsync<
       rt::SPSExecutorSharedMemoryMapperServiceReserveSignature>(
@@ -344,7 +348,8 @@ void SharedMemoryMapper::deinitialize(
 
 void SharedMemoryMapper::release(ArrayRef<ExecutorAddr> Bases,
                                  OnReleasedFunction OnReleased) {
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
   Error Err = Error::success();
 
   {
diff --git a/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp b/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
index caa191cea899de4d0729028a62f8e49df1ba8580..6bd633b0be72ee530f0f1ce6eb1fb58d10dd0390 100644
--- a/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
@@ -52,7 +52,8 @@ namespace rt_bootstrap {
 
 Expected<std::pair<ExecutorAddr, std::string>>
 ExecutorSharedMemoryMapperService::reserve(uint64_t Size) {
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
 
 #if defined(LLVM_ON_UNIX)
 
@@ -125,7 +126,8 @@ ExecutorSharedMemoryMapperService::reserve(uint64_t Size) {
 
 Expected<ExecutorAddr> ExecutorSharedMemoryMapperService::initialize(
     ExecutorAddr Reservation, tpctypes::SharedMemoryFinalizeRequest &FR) {
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
 
   ExecutorAddr MinAddr(~0ULL);
 
@@ -207,7 +209,8 @@ Error ExecutorSharedMemoryMapperService::deinitialize(
 
 Error ExecutorSharedMemoryMapperService::release(
     const std::vector<ExecutorAddr> &Bases) {
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
   Error Err = Error::success();
 
   for (auto Base : Bases) {
diff --git a/llvm/unittests/ExecutionEngine/Orc/SharedMemoryMapperTest.cpp b/llvm/unittests/ExecutionEngine/Orc/SharedMemoryMapperTest.cpp
index 9f44184ccc77b92b9cc2ed34fb518e0fe4ea0e63..4c9d31a3a3816ef7da4a642929c1471c1f64c11c 100644
--- a/llvm/unittests/ExecutionEngine/Orc/SharedMemoryMapperTest.cpp
+++ b/llvm/unittests/ExecutionEngine/Orc/SharedMemoryMapperTest.cpp
@@ -18,7 +18,8 @@ using namespace llvm::orc;
 using namespace llvm::orc::shared;
 using namespace llvm::orc::rt_bootstrap;
 
-#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__)) || defined(_WIN32)
+// OHOS_LOCAL
+#if (defined(LLVM_ON_UNIX) && !defined(__ANDROID__) && !defined(__OHOS__)) || defined(_WIN32)
 
 // A basic function to be used as both initializer/deinitializer
 orc::shared::CWrapperFunctionResult incrementWrapper(const char *ArgData,