1 files changed, 40 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_div0.c b/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_div0.c
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index 000000000000..7e8862321d82
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+++ b/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_div0.c
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+//===-- 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