//===-- aeabi_div0.c - ARM Runtime ABI support routines for compiler-rt ---===// // // 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 implements the division by zero helper routines as specified by the // Run-time ABI for the ARM Architecture. // //===----------------------------------------------------------------------===// // RTABI 4.3.2 - Division by zero // // The *div0 functions: // - Return the value passed to them as a parameter // - Or, return a fixed value defined by the execution environment (such as 0) // - Or, raise a signal (often SIGFPE) or throw an exception, and do not return // // An application may provide its own implementations of the *div0 functions to // for a particular behaviour from the *div and *divmod functions called out of // line. #include "../int_lib.h" // provide an unused declaration to pacify pendantic compilation extern unsigned char declaration; #if defined(__ARM_EABI__) AEABI_RTABI int __attribute__((weak)) __attribute__((visibility("hidden"))) __aeabi_idiv0(int return_value) { return return_value; } AEABI_RTABI long long __attribute__((weak)) __attribute__((visibility("hidden"))) __aeabi_ldiv0(long long return_value) { return return_value; } #endif