| //===-- int_util.h - internal utility functions ---------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is not part of the interface of this library. |
| // |
| // This file defines non-inline utilities which are available for use in the |
| // library. The function definitions themselves are all contained in int_util.c |
| // which will always be compiled into any compiler-rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef INT_UTIL_H |
| #define INT_UTIL_H |
| |
| /// \brief Trigger a program abort (or panic for kernel code). |
| #define compilerrt_abort() __compilerrt_abort_impl(__FILE__, __LINE__, __func__) |
| |
| NORETURN void __compilerrt_abort_impl(const char *file, int line, |
| const char *function); |
| |
| #define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__) |
| #define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt) |
| #define COMPILE_TIME_ASSERT2(expr, cnt) \ |
| typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED |
| |
| // Force unrolling the code specified to be repeated N times. |
| #define REPEAT_0_TIMES(code_to_repeat) /* do nothing */ |
| #define REPEAT_1_TIMES(code_to_repeat) code_to_repeat |
| #define REPEAT_2_TIMES(code_to_repeat) \ |
| REPEAT_1_TIMES(code_to_repeat) \ |
| code_to_repeat |
| #define REPEAT_3_TIMES(code_to_repeat) \ |
| REPEAT_2_TIMES(code_to_repeat) \ |
| code_to_repeat |
| #define REPEAT_4_TIMES(code_to_repeat) \ |
| REPEAT_3_TIMES(code_to_repeat) \ |
| code_to_repeat |
| |
| #define REPEAT_N_TIMES_(N, code_to_repeat) REPEAT_##N##_TIMES(code_to_repeat) |
| #define REPEAT_N_TIMES(N, code_to_repeat) REPEAT_N_TIMES_(N, code_to_repeat) |
| |
| #endif // INT_UTIL_H |
