diff --git a/openmp/libomptarget/deviceRTLs/common/src/data_sharing.cu b/openmp/libomptarget/deviceRTLs/common/src/data_sharing.cu
--- a/openmp/libomptarget/deviceRTLs/common/src/data_sharing.cu
+++ b/openmp/libomptarget/deviceRTLs/common/src/data_sharing.cu
@@ -36,6 +36,14 @@
   }
 }
 
+EXTERN void *__kmpc_alloc_shared(size_t DataSize) {
+  return (void *)SafeMalloc(DataSize, "Alloc Shared");
+}
+
+EXTERN void __kmpc_free_shared(void *FrameStart) {
+  SafeFree(FrameStart, "Free Shared");
+}
+
 // Initialize data sharing data structure. This function needs to be called
 // once at the beginning of a data sharing context (coincides with the kernel
 // initialization). This function is called only by the MASTER thread of each
diff --git a/openmp/libomptarget/deviceRTLs/interface.h b/openmp/libomptarget/deviceRTLs/interface.h
--- a/openmp/libomptarget/deviceRTLs/interface.h
+++ b/openmp/libomptarget/deviceRTLs/interface.h
@@ -462,4 +462,14 @@
 EXTERN void __kmpc_restore_team_static_memory(int16_t isSPMDExecutionMode,
                                               int16_t is_shared);
 
+/// Allocate \p Bytes in "shareable" memory and return the address. Needs to be
+/// called balanced with __kmpc_free_shared like a stack (push/pop). Can be
+/// called by any thread, allocation happens per-thread.
+EXTERN void *__kmpc_alloc_shared(uint64_t Bytes);
+
+/// Deallocate \p Ptr. Needs to be called balanced with __kmpc_alloc_shared like
+/// a stack (push/pop). Can be called by any thread. \p Ptr must be allocated by
+/// __kmpc_alloc_shared by the same thread.
+EXTERN void __kmpc_free_shared(void *Ptr);
+
 #endif