/* ===-- aeabi_div0.c - ARM Runtime ABI support routines for compiler-rt ---=== * * The LLVM Compiler Infrastructure * * This file is dual licensed under the MIT and the University of Illinois Open * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== * * 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. */ /* 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 |