| //===-- 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 |
