tests: check decoding of getcpu syscall

* tests/getcpu.c: New file.
* tests/getcpu.test: New test.
* tests/.gitignore: Add getcpu.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add getcpu.test.

diff --git a/tests/.gitignore b/tests/.gitignore
index 833799a8a4d41fed10261988462f5d58da30b8da..471e492e4b2ad5efe464bb9a4fcaa620274a5f17 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -70,6 +70,7 @@ ftruncate64
 futex
 futimesat
 get_mempolicy
+getcpu
 getcwd
 getdents
 getdents64

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 5a69a5530d3c0b24e3228e93982a0310d7f41e47..acedc0ae938e38b2b9ac2702a933645d3a3178be 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -129,6 +129,7 @@ check_PROGRAMS = \
        futex \
        futimesat \
        get_mempolicy \
+       getcpu \
        getcwd \
        getdents \
        getdents64 \
@@ -467,6 +468,7 @@ DECODER_TESTS = \
        futex.test \
        futimesat.test \
        get_mempolicy.test \
+       getcpu.test \
        getcwd.test \
        getdents.test \
        getdents64.test \

diff --git a/tests/getcpu.c b/tests/getcpu.c
new file mode 100644 (file)
index 0000000..baef1bb
--- /dev/null
+++ b/tests/getcpu.c
@@ -0,0 +1,76 @@
+/*
+ * Check decoding of getcpu syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromiatnikov <evgsyr@gmail.com>
+ * 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 <asm/unistd.h>
+
+#ifdef __NR_getcpu
+
+# include <stdio.h>
+# include <unistd.h>
+
+int
+main(void)
+{
+       static const unsigned *bogus_cpu =
+               (unsigned *) (unsigned long) 0xfffffeedfffffaceULL;
+       static const unsigned *bogus_node =
+               (unsigned *) (unsigned long) 0xfffffca7ffffc0deULL;
+       static const unsigned *bogus_tcache =
+               (unsigned *) (unsigned long) 0xffffda7affffdeadULL;
+
+       long res;
+       unsigned *cpu = tail_alloc(sizeof(*cpu));
+       unsigned *node = tail_alloc(sizeof(*node));
+       long * tcache = tail_alloc(128);
+
+       res = syscall(__NR_getcpu, NULL, NULL, NULL);
+       printf("getcpu(NULL, NULL, NULL) = %s\n", sprintrc(res));
+
+       res = syscall(__NR_getcpu, bogus_cpu, bogus_node, bogus_tcache);
+       printf("getcpu(%p, %p, %p) = %s\n",
+              bogus_cpu, bogus_node, bogus_tcache, sprintrc(res));
+
+       res = syscall(__NR_getcpu, cpu, node, tcache);
+       if (res != 0)
+               perror_msg_and_skip("getcpu");
+
+       printf("getcpu([%u], [%u], %p) = 0\n", *cpu, *node, tcache);
+
+       puts("+++ exited with 0 +++");
+
+       return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_getcpu");
+
+#endif

diff --git a/tests/getcpu.test b/tests/getcpu.test
new file mode 100755 (executable)
index 0000000..fe21265
--- /dev/null
+++ b/tests/getcpu.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of getcpu syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a25