int_util.h (1943B)
1 //===-- int_util.h - internal utility functions ---------------------------===// 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 not part of the interface of this library. 10 // 11 // This file defines non-inline utilities which are available for use in the 12 // library. The function definitions themselves are all contained in int_util.c 13 // which will always be compiled into any compiler-rt library. 14 // 15 //===----------------------------------------------------------------------===// 16 17 #ifndef INT_UTIL_H 18 #define INT_UTIL_H 19 20 /// \brief Trigger a program abort (or panic for kernel code). 21 #define compilerrt_abort() __compilerrt_abort_impl(__FILE__, __LINE__, __func__) 22 23 NORETURN void __compilerrt_abort_impl(const char* file, int line, 24 const char* function); 25 26 #define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__) 27 #define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt) 28 #define COMPILE_TIME_ASSERT2(expr, cnt) \ 29 typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED 30 31 // Force unrolling the code specified to be repeated N times. 32 #define REPEAT_0_TIMES(code_to_repeat) /* do nothing */ 33 #define REPEAT_1_TIMES(code_to_repeat) code_to_repeat 34 #define REPEAT_2_TIMES(code_to_repeat) \ 35 REPEAT_1_TIMES(code_to_repeat) \ 36 code_to_repeat 37 #define REPEAT_3_TIMES(code_to_repeat) \ 38 REPEAT_2_TIMES(code_to_repeat) \ 39 code_to_repeat 40 #define REPEAT_4_TIMES(code_to_repeat) \ 41 REPEAT_3_TIMES(code_to_repeat) \ 42 code_to_repeat 43 44 #define REPEAT_N_TIMES_(N, code_to_repeat) REPEAT_##N##_TIMES(code_to_repeat) 45 #define REPEAT_N_TIMES(N, code_to_repeat) REPEAT_N_TIMES_(N, code_to_repeat) 46 47 #endif // INT_UTIL_H