From 38ed916d1bc62423bbee7cef8c138db1078a3d8f Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Thu, 28 Apr 2016 01:09:59 +0000
Subject: [PATCH] tests: check decoding of migrate_pages syscall

* tests/migrate_pages.c: New file.
* tests/migrate_pages.test: New test.
* tests/.gitignore: Add migrate_pages.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add migrate_pages.test.
---
 tests/.gitignore         |  1 +
 tests/Makefile.am        |  2 ++
 tests/migrate_pages.c    | 54 ++++++++++++++++++++++++++++++++++++++++
 tests/migrate_pages.test |  6 +++++
 4 files changed, 63 insertions(+)
 create mode 100644 tests/migrate_pages.c
 create mode 100755 tests/migrate_pages.test

diff --git a/tests/.gitignore b/tests/.gitignore
index ac71068c..19fa6d57 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -107,6 +107,7 @@ lstat
 lstat64
 membarrier
 memfd_create
+migrate_pages
 mincore
 mkdir
 mkdirat
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 85bb9a71..d3430a48 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -160,6 +160,7 @@ check_PROGRAMS = \
 	lstat64 \
 	membarrier \
 	memfd_create \
+	migrate_pages \
 	mincore \
 	mkdir \
 	mkdirat \
@@ -434,6 +435,7 @@ DECODER_TESTS = \
 	lstat64.test \
 	membarrier.test \
 	memfd_create.test \
+	migrate_pages.test \
 	mincore.test \
 	mkdir.test \
 	mkdirat.test \
diff --git a/tests/migrate_pages.c b/tests/migrate_pages.c
new file mode 100644
index 00000000..995723cc
--- /dev/null
+++ b/tests/migrate_pages.c
@@ -0,0 +1,54 @@
+/*
+ * Check decoding of migrate_pages syscall.
+ *
+ * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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 "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_migrate_pages
+
+# include <stdio.h>
+# include <unistd.h>
+
+int
+main(void)
+{
+	const long pid = (long) 0xfacefeedffffffff;
+	long rc = syscall(__NR_migrate_pages, pid, 0, 0, 0);
+	printf("migrate_pages(%d, 0, NULL, NULL) = %ld %s (%m)\n",
+	       (int) pid, rc, errno2name());
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_migrate_pages")
+
+#endif
diff --git a/tests/migrate_pages.test b/tests/migrate_pages.test
new file mode 100755
index 00000000..fad53b79
--- /dev/null
+++ b/tests/migrate_pages.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check migrate_pages syscall decoding.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a33
-- 
2.40.0