10ba22f51SPetr Hosek //===-- int_util.h - internal utility functions ---------------------------===// 20ba22f51SPetr Hosek // 30ba22f51SPetr Hosek // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40ba22f51SPetr Hosek // See https://llvm.org/LICENSE.txt for license information. 50ba22f51SPetr Hosek // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60ba22f51SPetr Hosek // 70ba22f51SPetr Hosek //===----------------------------------------------------------------------===// 80ba22f51SPetr Hosek // 90ba22f51SPetr Hosek // This file is not part of the interface of this library. 100ba22f51SPetr Hosek // 110ba22f51SPetr Hosek // This file defines non-inline utilities which are available for use in the 120ba22f51SPetr Hosek // library. The function definitions themselves are all contained in int_util.c 130ba22f51SPetr Hosek // which will always be compiled into any compiler-rt library. 140ba22f51SPetr Hosek // 150ba22f51SPetr Hosek //===----------------------------------------------------------------------===// 16a6b264b5SAlexey Samsonov 17a6b264b5SAlexey Samsonov #ifndef INT_UTIL_H 18a6b264b5SAlexey Samsonov #define INT_UTIL_H 19a6b264b5SAlexey Samsonov 200ba22f51SPetr Hosek /// \brief Trigger a program abort (or panic for kernel code). 214357ca65SRichard Smith #define compilerrt_abort() __compilerrt_abort_impl(__FILE__, __LINE__, __func__) 22a6b264b5SAlexey Samsonov 234357ca65SRichard Smith NORETURN void __compilerrt_abort_impl(const char *file, int line, 24e6f9652aSSaleem Abdulrasool const char *function); 25a6b264b5SAlexey Samsonov 264814b9c9SChih-Hung Hsieh #define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__) 274814b9c9SChih-Hung Hsieh #define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt) 284814b9c9SChih-Hung Hsieh #define COMPILE_TIME_ASSERT2(expr, cnt) \ 29e6f9652aSSaleem Abdulrasool typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED 304814b9c9SChih-Hung Hsieh 31*0e90d8d4SAnatoly Trosinenko // Force unrolling the code specified to be repeated N times. 32*0e90d8d4SAnatoly Trosinenko #define REPEAT_0_TIMES(code_to_repeat) /* do nothing */ 33*0e90d8d4SAnatoly Trosinenko #define REPEAT_1_TIMES(code_to_repeat) code_to_repeat 34*0e90d8d4SAnatoly Trosinenko #define REPEAT_2_TIMES(code_to_repeat) \ 35*0e90d8d4SAnatoly Trosinenko REPEAT_1_TIMES(code_to_repeat) \ 36*0e90d8d4SAnatoly Trosinenko code_to_repeat 37*0e90d8d4SAnatoly Trosinenko #define REPEAT_3_TIMES(code_to_repeat) \ 38*0e90d8d4SAnatoly Trosinenko REPEAT_2_TIMES(code_to_repeat) \ 39*0e90d8d4SAnatoly Trosinenko code_to_repeat 40*0e90d8d4SAnatoly Trosinenko #define REPEAT_4_TIMES(code_to_repeat) \ 41*0e90d8d4SAnatoly Trosinenko REPEAT_3_TIMES(code_to_repeat) \ 42*0e90d8d4SAnatoly Trosinenko code_to_repeat 43*0e90d8d4SAnatoly Trosinenko 44*0e90d8d4SAnatoly Trosinenko #define REPEAT_N_TIMES_(N, code_to_repeat) REPEAT_##N##_TIMES(code_to_repeat) 45*0e90d8d4SAnatoly Trosinenko #define REPEAT_N_TIMES(N, code_to_repeat) REPEAT_N_TIMES_(N, code_to_repeat) 46*0e90d8d4SAnatoly Trosinenko 470ba22f51SPetr Hosek #endif // INT_UTIL_H 48