1 //===- common.h - Common utilities for the ORC runtime ----------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file is a part of the ORC runtime support library.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef ORC_RT_COMMON_H
14 #define ORC_RT_COMMON_H
15 
16 #include "compiler.h"
17 #include "orc/c_api.h"
18 #include <type_traits>
19 
20 /// This macro should be used to define tags that will be associated with
21 /// handlers in the JIT process, and call can be used to define tags f
22 #define ORC_RT_JIT_DISPATCH_TAG(X) \
23 extern "C" char X; \
24 char X = 0;
25 
26 /// Opaque struct for external symbols.
27 struct __orc_rt_Opaque {};
28 
29 /// Error reporting function.
30 extern "C" void __orc_rt_log_error(const char *ErrMsg);
31 
32 /// Context object for dispatching calls to the JIT object.
33 ///
34 /// This is declared for use by the runtime, but should be implemented in the
35 /// executor or provided by a definition added to the JIT before the runtime
36 /// is loaded.
37 extern "C" __orc_rt_Opaque __orc_rt_jit_dispatch_ctx ORC_RT_WEAK_IMPORT;
38 
39 /// For dispatching calls to the JIT object.
40 ///
41 /// This is declared for use by the runtime, but should be implemented in the
42 /// executor or provided by a definition added to the JIT before the runtime
43 /// is loaded.
44 extern "C" __orc_rt_CWrapperFunctionResult
45 __orc_rt_jit_dispatch(__orc_rt_Opaque *DispatchCtx, const void *FnTag,
46                       const char *Data, size_t Size) ORC_RT_WEAK_IMPORT;
47 
48 #endif // ORC_RT_COMMON_H
49