From 9f948a84f7cc77467452949e0894821d365cda37 Mon Sep 17 00:00:00 2001
From: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
Date: Tue, 3 Aug 2021 20:24:56 +0300
Subject: [PATCH] ARC: MWDT: libc: add _exit support

Default weak _exit implementation from ARC MWDT libs
calls _exit_halt from startup libs. As we are going to
get rid of startup libs usage let's implement _exit
stub.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
---
 lib/libc/arcmwdt/libc-hooks.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/libc/arcmwdt/libc-hooks.c b/lib/libc/arcmwdt/libc-hooks.c
index 85539a04b71..d2e5926ab0c 100644
--- a/lib/libc/arcmwdt/libc-hooks.c
+++ b/lib/libc/arcmwdt/libc-hooks.c
@@ -76,3 +76,9 @@ int *___errno(void)
 {
 	return z_errno();
 }
+
+__weak void _exit(int status)
+{
+	while (1) {
+	}
+}