vendor/NetBSD/tests/2026.02.14_2vendor/NetBSD/tests

1 files changed, 68 insertions, 0 deletions

diff --git a/kernel/h_execsp.c b/kernel/h_execsp.c
new file mode 100644
index 000000000000..dac1919e4417
--- /dev/null
+++ b/kernel/h_execsp.c
@@ -0,0 +1,68 @@
+/*	$NetBSD: h_execsp.c,v 1.2 2025/04/20 22:31:25 riastradh Exp $	*/
+
+/*-
+ * Copyright (c) 2025 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: h_execsp.c,v 1.2 2025/04/20 22:31:25 riastradh Exp $");
+
+#include <err.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "h_execsp.h"
+
+/*
+ * The machine-dependent execsp.S assembly routines will initialize
+ * startsp, ctorsp, mainsp, and dtorsp, and then call execsp_main on
+ * program startup.
+ */
+void *startsp;
+void *ctorsp;
+void *mainsp;
+void *dtorsp;
+
+int execsp_main(void);
+int
+execsp_main(void)
+{
+	struct execsp execsp;
+	ssize_t nwrit;
+
+	memset(&execsp, 0, sizeof(execsp));
+	execsp.startsp = startsp;
+	execsp.ctorsp = ctorsp;
+	execsp.mainsp = mainsp;
+	execsp.dtorsp = dtorsp;
+
+	nwrit = write(STDOUT_FILENO, &execsp, sizeof(execsp));
+	if (nwrit == -1)
+		err(1, "write");
+	if ((size_t)nwrit != sizeof(execsp))
+		errx(1, "wrote %zu != %zu", (size_t)nwrit, sizeof(execsp));
+
+	return 0;
+}