10b57cec5SDimitry Andric //===-- int_util.h - internal utility functions ---------------------------===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file is not part of the interface of this library. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric // This file defines non-inline utilities which are available for use in the 120b57cec5SDimitry Andric // library. The function definitions themselves are all contained in int_util.c 130b57cec5SDimitry Andric // which will always be compiled into any compiler-rt library. 140b57cec5SDimitry Andric // 150b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric #ifndef INT_UTIL_H 180b57cec5SDimitry Andric #define INT_UTIL_H 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric /// \brief Trigger a program abort (or panic for kernel code). 210b57cec5SDimitry Andric #define compilerrt_abort() __compilerrt_abort_impl(__FILE__, __LINE__, __func__) 220b57cec5SDimitry Andric 230b57cec5SDimitry Andric NORETURN void __compilerrt_abort_impl(const char *file, int line, 240b57cec5SDimitry Andric const char *function); 250b57cec5SDimitry Andric 260b57cec5SDimitry Andric #define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__) 270b57cec5SDimitry Andric #define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt) 280b57cec5SDimitry Andric #define COMPILE_TIME_ASSERT2(expr, cnt) \ 290b57cec5SDimitry Andric typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED 300b57cec5SDimitry Andric 31*e8d8bef9SDimitry Andric // Force unrolling the code specified to be repeated N times. 32*e8d8bef9SDimitry Andric #define REPEAT_0_TIMES(code_to_repeat) /* do nothing */ 33*e8d8bef9SDimitry Andric #define REPEAT_1_TIMES(code_to_repeat) code_to_repeat 34*e8d8bef9SDimitry Andric #define REPEAT_2_TIMES(code_to_repeat) \ 35*e8d8bef9SDimitry Andric REPEAT_1_TIMES(code_to_repeat) \ 36*e8d8bef9SDimitry Andric code_to_repeat 37*e8d8bef9SDimitry Andric #define REPEAT_3_TIMES(code_to_repeat) \ 38*e8d8bef9SDimitry Andric REPEAT_2_TIMES(code_to_repeat) \ 39*e8d8bef9SDimitry Andric code_to_repeat 40*e8d8bef9SDimitry Andric #define REPEAT_4_TIMES(code_to_repeat) \ 41*e8d8bef9SDimitry Andric REPEAT_3_TIMES(code_to_repeat) \ 42*e8d8bef9SDimitry Andric code_to_repeat 43*e8d8bef9SDimitry Andric 44*e8d8bef9SDimitry Andric #define REPEAT_N_TIMES_(N, code_to_repeat) REPEAT_##N##_TIMES(code_to_repeat) 45*e8d8bef9SDimitry Andric #define REPEAT_N_TIMES(N, code_to_repeat) REPEAT_N_TIMES_(N, code_to_repeat) 46*e8d8bef9SDimitry Andric 470b57cec5SDimitry Andric #endif // INT_UTIL_H 48