1 files changed, 50 insertions, 0 deletions
diff --git a/openmp/offload/src/compiler_if_target.h b/openmp/offload/src/compiler_if_target.h
new file mode 100644
index 00000000000..49d2c1c6099
--- /dev/null
+++ b/openmp/offload/src/compiler_if_target.h
@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.txt for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+/*! \file
+    \brief The interface between compiler-generated target code and runtime library
+*/
+
+#ifndef COMPILER_IF_TARGET_H_INCLUDED
+#define COMPILER_IF_TARGET_H_INCLUDED
+
+#include "offload_target.h"
+
+#define OFFLOAD_TARGET_ENTER            OFFLOAD_PREFIX(target_enter)
+#define OFFLOAD_TARGET_LEAVE            OFFLOAD_PREFIX(target_leave)
+#define OFFLOAD_TARGET_MAIN             OFFLOAD_PREFIX(target_main)
+
+/*! \fn OFFLOAD_TARGET_ENTER
+    \brief Fill in variable addresses using VarDesc array.
+    \brief Then call back the runtime library to fetch data.
+    \param ofld         Offload descriptor created by runtime.
+    \param var_desc_num Number of variable descriptors.
+    \param var_desc     Pointer to VarDesc array.
+    \param var_desc2    Pointer to VarDesc2 array.
+*/
+extern "C" void OFFLOAD_TARGET_ENTER(
+    OFFLOAD ofld,
+    int var_desc_num,
+    VarDesc *var_desc,
+    VarDesc2 *var_desc2
+);
+
+/*! \fn OFFLOAD_TARGET_LEAVE
+    \brief Call back the runtime library to gather outputs using VarDesc array.
+    \param ofld Offload descriptor created by OFFLOAD_TARGET_ACQUIRE.
+*/
+extern "C" void OFFLOAD_TARGET_LEAVE(
+    OFFLOAD ofld
+);
+
+// Entry point for the target application.
+extern "C" void OFFLOAD_TARGET_MAIN(void);
+
+#endif // COMPILER_IF_TARGET_H_INCLUDED