linux-user: Nicer strace output of chroot() syscall

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>

Message-Id: <20190227191115.GA20163@ls3530.dellerweb.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/linux-user/strace.c b/linux-user/strace.c
index 7318392..6f72a74 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -1235,6 +1235,18 @@
 }
 #endif
 
+#ifdef TARGET_NR_chroot
+static void
+print_chroot(const struct syscallname *name,
+    abi_long arg0, abi_long arg1, abi_long arg2,
+    abi_long arg3, abi_long arg4, abi_long arg5)
+{
+    print_syscall_prologue(name);
+    print_string(arg0, 1);
+    print_syscall_epilogue(name);
+}
+#endif
+
 #ifdef TARGET_NR_chmod
 static void
 print_chmod(const struct syscallname *name,