xref: /llvm-project/compiler-rt/lib/orc/debug.h (revision 3e04ad428313dde40c779af6d675b162e150125e)
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 = ::orc_rt::DebugTypes.load(std::memory_order_relaxed);  \
35     if (!Types)                                                                \
36       Types = initializeDebug();                                               \
37     if (Types == &DebugTypesNone)                                              \
38       break;                                                                   \
39     if (Types == &DebugTypesAll || ::orc_rt::debugTypeEnabled(TYPE, Types)) {  \
40       X;                                                                       \
41     }                                                                          \
42   } while (false)
43 
44 #else
45 
46 #define ORC_RT_DEBUG_WITH_TYPE(TYPE, X)                                        \
47   do {                                                                         \
48   } while (false)
49 
50 #endif // !NDEBUG
51 
52 #define ORC_RT_DEBUG(X) ORC_RT_DEBUG_WITH_TYPE(DEBUG_TYPE, X)
53 
54 #endif // ORC_RT_DEBUG_H
55