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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _TOOLS_ASM_BUG_H |
| 3 | #define _TOOLS_ASM_BUG_H |
| 4 | |
| 5 | #include <linux/compiler.h> |
| 6 | #include <stdio.h> |
| 7 | |
| 8 | #define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0) |
| 9 | |
| 10 | #define WARN(condition, format...) ({ \ |
| 11 | int __ret_warn_on = !!(condition); \ |
| 12 | if (unlikely(__ret_warn_on)) \ |
| 13 | __WARN_printf(format); \ |
| 14 | unlikely(__ret_warn_on); \ |
| 15 | }) |
| 16 | |
| 17 | #define WARN_ON(condition) ({ \ |
| 18 | int __ret_warn_on = !!(condition); \ |
| 19 | if (unlikely(__ret_warn_on)) \ |
| 20 | __WARN_printf("assertion failed at %s:%d\n", \ |
| 21 | __FILE__, __LINE__); \ |
| 22 | unlikely(__ret_warn_on); \ |
| 23 | }) |
| 24 | |
| 25 | #define WARN_ON_ONCE(condition) ({ \ |
| 26 | static int __warned; \ |
| 27 | int __ret_warn_once = !!(condition); \ |
| 28 | \ |
| 29 | if (unlikely(__ret_warn_once && !__warned)) { \ |
| 30 | __warned = true; \ |
| 31 | WARN_ON(1); \ |
| 32 | } \ |
| 33 | unlikely(__ret_warn_once); \ |
| 34 | }) |
| 35 | |
| 36 | #define WARN_ONCE(condition, format...) ({ \ |
| 37 | static int __warned; \ |
| 38 | int __ret_warn_once = !!(condition); \ |
| 39 | \ |
| 40 | if (unlikely(__ret_warn_once)) \ |
| 41 | if (WARN(!__warned, format)) \ |
| 42 | __warned = 1; \ |
| 43 | unlikely(__ret_warn_once); \ |
| 44 | }) |
| 45 | |
| 46 | #endif /* _TOOLS_ASM_BUG_H */ |
| 47 |
Warning: This file is not a C or C++ file. It does not have highlighting.