44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* ===-- aeabi_div0.c - ARM Runtime ABI support routines for compiler-rt ---===
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*
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* The LLVM Compiler Infrastructure
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*
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* This file is dual licensed under the MIT and the University of Illinois Open
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* Source Licenses. See LICENSE.TXT for details.
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*
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* ===----------------------------------------------------------------------===
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*
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* This file implements the division by zero helper routines as specified by the
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* Run-time ABI for the ARM Architecture.
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*
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* ===----------------------------------------------------------------------===
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*/
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/*
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* RTABI 4.3.2 - Division by zero
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*
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* The *div0 functions:
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* - Return the value passed to them as a parameter
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* - Or, return a fixed value defined by the execution environment (such as 0)
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* - Or, raise a signal (often SIGFPE) or throw an exception, and do not return
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*
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* An application may provide its own implementations of the *div0 functions to
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* for a particular behaviour from the *div and *divmod functions called out of
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* line.
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*/
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/* provide an unused declaration to pacify pendantic compilation */
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extern unsigned char declaration;
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#if defined(__ARM_EABI__)
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int __attribute__((weak)) __attribute__((visibility("hidden")))
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__aeabi_idiv0(int return_value) {
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return return_value;
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}
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long long __attribute__((weak)) __attribute__((visibility("hidden")))
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__aeabi_ldiv0(long long return_value) {
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return return_value;
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}
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#endif
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