regression test for mquery syscall.

2 files changed, 118 insertions, 0 deletions

diff --git a/regress/sys/kern/mquery/Makefile b/regress/sys/kern/mquery/Makefile
new file mode 100644
index 00000000000..3550aeed4c6
--- /dev/null
+++ b/regress/sys/kern/mquery/Makefile
@@ -0,0 +1,5 @@
+#	$OpenBSD: Makefile,v 1.1 2003/04/18 16:02:11 drahn Exp $
+
+PROG=	mquery
+
+.include <bsd.regress.mk>
diff --git a/regress/sys/kern/mquery/mquery.c b/regress/sys/kern/mquery/mquery.c
new file mode 100644
index 00000000000..7b1a699e78a
--- /dev/null
+++ b/regress/sys/kern/mquery/mquery.c
@@ -0,0 +1,113 @@
+/*	$OpenBSD: mquery.c,v 1.1 2003/04/18 16:02:11 drahn Exp $ */
+
+/*
+ * Copyright (c) 2003 Dale Rahn. 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 AUTHOR ``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 AUTHOR 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/types.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <errno.h>
+#include <machine/vmparam.h>
+
+char chardata = 'a';
+extern char etext;
+extern char edata;
+
+main()
+{
+	void *addr;
+	int ret;
+
+	/* check heap */
+
+	errno = 0;
+	addr = sbrk(0);
+	/* mquery fixed is not allowed in heap, check errno? */
+	ret = mquery(MAP_FIXED, &addr, 0x1000, -1, 0);
+	if (ret != -1) 
+		exit (1);
+
+	errno = 0;
+	addr = sbrk(0);
+	/* mquery should return next available address after heap. */
+	ret = mquery(0, &addr, 0x1000, -1, 0);
+	if (ret != 0) 
+		exit (2);
+
+
+	/* check data */
+
+	errno = 0;
+	addr = &chardata;
+	/* mquery fixed is not allowed in heap, check errno? */
+	ret = mquery(MAP_FIXED, &addr, 0x1000, -1, 0);
+	if (ret != -1) 
+		exit (3);
+
+	errno = 0;
+	addr = &chardata;
+	/* mquery should return next available address after heap. */
+	ret = mquery(0, &addr, 0x1000, -1, 0);
+	if (ret != 0) 
+		exit (4);
+	if (addr < (void *)&edata) {
+		/* should always return above data*/
+		exit (5);
+	}
+	/* chardata + MAXDSIZ is valid??? */
+	if (addr >= (void *)&chardata && addr < (void *)(&chardata + MAXDSIZ)) {
+		printf("returned %p should be not be ~%p - %p\n",
+		    addr, (void *)&chardata,
+		    (void *)(&chardata + MAXDSIZ));
+		exit (6);
+	}
+
+	/* check text */
+
+	errno = 0;
+	addr = &main;
+	/* mquery on text addresses should fail. */
+	ret = mquery(MAP_FIXED, &addr, 0x1000, -1, 0);
+	if (ret != -1)
+		exit (7);
+
+	errno = 0;
+	addr = &main;
+	/* mquery on text addresses should return below data or above heap. */
+	ret = mquery(0, &addr, 0x1000, -1, 0);
+	if (ret != 0)
+		exit (8);
+	if (addr < (void *)&etext) {
+		/* should always return above text */
+		exit (9);
+	}
+	/* chardata + MAXDSIZ is valid??? */
+	if (addr >= (void *)&chardata && addr < (void *)(&chardata + MAXDSIZ))
+		exit (10);
+	
+	exit (0);
+}
+
+