1 //===- debug.h - Debugging output utilities ---------------------*- 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_DEBUG_H
14 #define ORC_RT_DEBUG_H
15 
16 #include <atomic>
17 
18 #ifndef NDEBUG
19 
20 namespace __orc_rt {
21 
22 extern std::atomic<const char *> DebugTypes;
23 extern char DebugTypesAll;
24 extern char DebugTypesNone;
25 
26 const char *initializeDebug();
27 bool debugTypeEnabled(const char *Type, const char *Types);
28 void printdbg(const char *format, ...);
29 
30 } // namespace __orc_rt
31 
32 #define ORC_RT_DEBUG_WITH_TYPE(TYPE, X)                                        \
33   do {                                                                         \
34     const char *Types =                                                        \
35         ::__orc_rt::DebugTypes.load(std::memory_order_relaxed);                \
36     if (!Types)                                                                \
37       Types = initializeDebug();                                               \
38     if (Types == &DebugTypesNone)                                              \
39       break;                                                                   \
40     if (Types == &DebugTypesAll ||                                             \
41         ::__orc_rt::debugTypeEnabled(TYPE, Types)) {                           \
42       X;                                                                       \
43     }                                                                          \
44   } while (false)
45 
46 #else
47 
48 #define ORC_RT_DEBUG_WITH_TYPE(TYPE, X)                                        \
49   do {                                                                         \
50   } while (false)
51 
52 #endif // !NDEBUG
53 
54 #define ORC_RT_DEBUG(X) ORC_RT_DEBUG_WITH_TYPE(DEBUG_TYPE, X)
55 
56 #endif // ORC_RT_COMMON_H
57