ARC: MWDT: libc: add _exit support

evgeniy-paltsev · nashif · commit 9f948a84f7cc · 2021-09-01T17:08:32.000-04:00
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 &lt;Eugeniy.Paltsev@synopsys.com&gt;
Signed-off-by: Evgeniy Paltsev &lt;PaltsevEvgeniy@gmail.com&gt;
diff --git 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) {
+	}
+}

Original file line number	Diff line number	Diff line change
`@@ -76,3 +76,9 @@ int *___errno(void)`
`76`	`76`	`{`
`77`	`77`	`return z_errno();`
`78`	`78`	`}`
	`79`	`+`
	`80`	`+__weak void _exit(int status)`
	`81`	`+{`
	`82`	`+ while (1) {`
	`83`	`+ }`
	`84`	`+}`