[PATCH v5 2/2] psxtests: Add a mmap dedicated test case
Gedare Bloom
gedare at rtems.org
Sat Jul 15 12:19:45 UTC 2017
On Fri, Jul 14, 2017 at 4:53 PM, Joel Sherrill <joel at rtems.org> wrote:
> Does this close the ticket? Or just update it?
>
I haven't done anything about fhcown and fchmod (whatever those mean
in RTEMS) for shared memory. Otherwise, I think the basic
functionality is all there. Probably we can close it and raise new
tickets against missing or buggy aspects.
> Should we have info in the POSIX guide for these calls?
>
Probably. May be best to leave the ticket open until the doc gets
done. I may have some time to look at it soon.
> On Jul 14, 2017 3:08 PM, "Gedare Bloom" <gedare at rtems.org> wrote:
>>
>> I checked these in. Thanks!
>>
>> On Thu, Jun 29, 2017 at 10:36 AM, Kevin Kirspel <kevin-kirspel at idexx.com>
>> wrote:
>> > Updates #2859
>> > ---
>> > testsuites/psxtests/Makefile.am | 1 +
>> > testsuites/psxtests/configure.ac | 1 +
>> > testsuites/psxtests/psxmmap01/Makefile.am | 22 ++
>> > testsuites/psxtests/psxmmap01/init.c | 352
>> > ++++++++++++++++++++++++++++
>> > testsuites/psxtests/psxmmap01/psxmmap01.scn | 0
>> > testsuites/psxtests/psxmmap01/system.h | 31 +++
>> > testsuites/psxtests/psxmmap01/test_driver.c | 67 ++++++
>> > testsuites/psxtests/psxmmap01/test_driver.h | 14 ++
>> > testsuites/psxtests/psxmmap01/test_helper.c | 32 +++
>> > testsuites/psxtests/psxmmap01/test_helper.h | 41 ++++
>> > 10 files changed, 561 insertions(+)
>> > create mode 100644 testsuites/psxtests/psxmmap01/Makefile.am
>> > create mode 100644 testsuites/psxtests/psxmmap01/init.c
>> > create mode 100644 testsuites/psxtests/psxmmap01/psxmmap01.scn
>> > create mode 100644 testsuites/psxtests/psxmmap01/system.h
>> > create mode 100644 testsuites/psxtests/psxmmap01/test_driver.c
>> > create mode 100644 testsuites/psxtests/psxmmap01/test_driver.h
>> > create mode 100644 testsuites/psxtests/psxmmap01/test_helper.c
>> > create mode 100644 testsuites/psxtests/psxmmap01/test_helper.h
>> >
>> > diff --git a/testsuites/psxtests/Makefile.am
>> > b/testsuites/psxtests/Makefile.am
>> > index 7bcea46..cccdb39 100644
>> > --- a/testsuites/psxtests/Makefile.am
>> > +++ b/testsuites/psxtests/Makefile.am
>> > @@ -85,6 +85,7 @@ _SUBDIRS += psxrwlock01
>> > _SUBDIRS += psxsem01
>> > _SUBDIRS += psxshm01
>> > _SUBDIRS += psxshm02
>> > +_SUBDIRS += psxmmap01
>> > _SUBDIRS += psxsignal01
>> > _SUBDIRS += psxsignal02
>> > _SUBDIRS += psxsignal03
>> > diff --git a/testsuites/psxtests/configure.ac
>> > b/testsuites/psxtests/configure.ac
>> > index 1de1312..96a0149 100644
>> > --- a/testsuites/psxtests/configure.ac
>> > +++ b/testsuites/psxtests/configure.ac
>> > @@ -190,6 +190,7 @@ psxrwlock01/Makefile
>> > psxsem01/Makefile
>> > psxshm01/Makefile
>> > psxshm02/Makefile
>> > +psxmmap01/Makefile
>> > psxsignal01/Makefile
>> > psxsignal02/Makefile
>> > psxsignal03/Makefile
>> > diff --git a/testsuites/psxtests/psxmmap01/Makefile.am
>> > b/testsuites/psxtests/psxmmap01/Makefile.am
>> > new file mode 100644
>> > index 0000000..57b0087
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/Makefile.am
>> > @@ -0,0 +1,22 @@
>> > +
>> > +rtems_tests_PROGRAMS = psxmmap01
>> > +psxmmap01_SOURCES = init.c test_helper.c test_driver.c system.h
>> > +
>> > +dist_rtems_tests_DATA = psxmmap01.scn
>> > +
>> > +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
>> > +include $(top_srcdir)/../automake/compile.am
>> > +include $(top_srcdir)/../automake/leaf.am
>> > +
>> > +
>> > +AM_CPPFLAGS += -I$(top_srcdir)/include
>> > +AM_CPPFLAGS += -I$(top_srcdir)/../support/include
>> > +
>> > +LINK_OBJS = $(psxmmap01_OBJECTS)
>> > +LINK_LIBS = $(psxmmap01_LDLIBS)
>> > +
>> > +psxmmap01$(EXEEXT): $(psxmmap01_OBJECTS) $(psxmmap01_DEPENDENCIES)
>> > + @rm -f psxmmap01$(EXEEXT)
>> > + $(make-exe)
>> > +
>> > +include $(top_srcdir)/../automake/local.am
>> > diff --git a/testsuites/psxtests/psxmmap01/init.c
>> > b/testsuites/psxtests/psxmmap01/init.c
>> > new file mode 100644
>> > index 0000000..eb1c747
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/init.c
>> > @@ -0,0 +1,344 @@
>> > +/*-
>> > + * Copyright (c) 2009 Simon L. Nielsen <simon at FreeBSD.org>,
>> > + * Bjoern A. Zeeb <bz at FreeBSD.org>
>> > + *
>> > + * 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 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 AUTHOR 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.
>> > + *
>> > + * $FreeBSD$
>> > + */
>> > +
>> > +#ifdef HAVE_CONFIG_H
>> > +#include "config.h"
>> > +#endif
>> > +
>> > +#define CONFIGURE_INIT
>> > +#include "system.h"
>> > +#include "pritime.h"
>> > +#include "test_helper.h"
>> > +#include "test_driver.h"
>> > +
>> > +#include <sys/mman.h>
>> > +
>> > +#include <errno.h>
>> > +#include <fcntl.h>
>> > +#include <string.h>
>> > +
>> > +const char rtems_test_name[] = "PSX MMAP01";
>> > +const char test_driver_name[] = "/dev/test_driver";
>> > +
>> > +static const struct {
>> > + void *addr;
>> > + int ok;
>> > +} map_at_zero_tests[] = {
>> > + { (void *)0, 0 },
>> > + { (void *)1, 0 },
>> > + { (void *)(PAGE_SIZE - 1), 0 },
>> > + { (void *)PAGE_SIZE, 1 },
>> > + { (void *)-1, 0 },
>> > + { (void *)(-PAGE_SIZE), 0 },
>> > + { (void *)(-1 - PAGE_SIZE), 0 },
>> > + { (void *)(-1 - PAGE_SIZE - 1), 0 },
>> > + { (void *)(0x1000 * PAGE_SIZE), 1 },
>> > +};
>> > +
>> > +#define MAP_AT_ZERO_NITEMS (sizeof(map_at_zero_tests) /
>> > sizeof(map_at_zero_tests[0]))
>> > +
>> > +static void* checked_mmap(
>> > + int prot,
>> > + int flags,
>> > + int fd,
>> > + int error,
>> > + const char *msg
>> > +)
>> > +{
>> > + void *p;
>> > + int pagesize, err;
>> > +
>> > + rtems_test_assert((pagesize = getpagesize()) > 0);
>> > + p = mmap(NULL, pagesize, prot, flags, fd, 0);
>> > + if (p == MAP_FAILED) {
>> > + if (error == 0)
>> > + mmap_test_assert(0, "%s failed with errno %d\n", msg, errno);
>> > + else {
>> > + err = errno;
>> > + mmap_test_assert_equal(error, err,
>> > + "%s failed with wrong errno %d (expected %d)\n", msg,
>> > + errno, error);
>> > + }
>> > + } else {
>> > + mmap_test_check(error == 0, "%s succeeded\n", msg);
>> > + munmap(p, pagesize);
>> > + }
>> > + return p;
>> > +}
>> > +
>> > +static void mmap_map_at_zero( void )
>> > +{
>> > + void *p;
>> > + unsigned int i;
>> > +
>> > + for (i = 0; i < MAP_AT_ZERO_NITEMS; i++) {
>> > + p = mmap((void *)map_at_zero_tests[i].addr, PAGE_SIZE,
>> > + PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_FIXED |
>> > MAP_PRIVATE,
>> > + -1, 0);
>> > + if (p == MAP_FAILED) {
>> > + mmap_test_assert( map_at_zero_tests[i].ok == 0,
>> > + "mmap(%08lX, ...) failed\n",
>> > (uint32_t)map_at_zero_tests[i].addr );
>> > + } else {
>> > + mmap_test_check( map_at_zero_tests[i].ok == 1,
>> > + "mmap(%p, ...) succeeded: p=%p\n",
>> > + map_at_zero_tests[i].addr, p );
>> > + }
>> > + }
>> > +}
>> > +
>> > +static void mmap_bad_arguments( void )
>> > +{
>> > + int devfd, pagesize, shmfd, zerofd;
>> > + void* p;
>> > +
>> > + rtems_test_assert((pagesize = getpagesize()) > 0);
>> > + rtems_test_assert((devfd = open(&test_driver_name[0], O_RDONLY)) >=
>> > 0);
>> > + rtems_test_assert((shmfd = shm_open("/shm", O_CREAT | O_RDWR, 0644))
>> > >= 0);
>> > + rtems_test_assert(ftruncate(shmfd, pagesize) == 0);
>> > + rtems_test_assert((zerofd = open("/dev/zero", O_RDONLY)) >= 0);
>> > +
>> > + /*
>> > + * These should normally work on FREEBSD. Test cases below that fail
>> > are
>> > + * due to unsupported features in RTEMS.
>> > + */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON, -1, 0,
>> > + "simple MAP_ANON");
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_SHARED, shmfd, 0,
>> > + "simple shm fd shared");
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE, shmfd, 0,
>> > + "simple shm fd private");
>> > + /* RTEMS cannot protect against writes so this will fail */
>> > + checked_mmap(PROT_READ, MAP_SHARED, zerofd, ENOTSUP,
>> > + "simple /dev/zero shared");
>> > + /*
>> > + * Repeat with no write protection. Will fail because of
>> > unimplemented
>> > + * mmap handler in /dev/zero.
>> > + */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_SHARED, zerofd, ENOTSUP,
>> > + "simple /dev/zero shared");
>> > + /* RTEMS /dev/zero is a character device so this will fail */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE, zerofd, EINVAL,
>> > + "simple /dev/zero private");
>> > + /* RTEMS cannot protect against writes so this will fail */
>> > + checked_mmap(PROT_READ, MAP_SHARED, devfd, ENOTSUP,
>> > + "simple test driver shared");
>> > + /*
>> > + * Repeat with no write protection. Should fail because of
>> > unimplemented
>> > + * mmap handler in /dev/null.
>> > + */
>> > + p = checked_mmap(PROT_READ | PROT_WRITE, MAP_SHARED, devfd, 0,
>> > + "simple test driver shared");
>> > + rtems_test_assert(p == &test_data[0]);
>> > +
>> > + /* Extra PROT flags. */
>> > + checked_mmap(PROT_READ | PROT_WRITE | 0x100000, MAP_ANON, -1, EINVAL,
>> > + "MAP_ANON with extra PROT flags");
>> > + checked_mmap(0xffff, MAP_SHARED, shmfd, EINVAL,
>> > + "shm fd with garbage PROT");
>> > +
>> > + /* Undefined flag. */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_RESERVED0080, -1,
>> > + EINVAL, "Undefined flag");
>> > +
>> > + /* Both MAP_SHARED and MAP_PRIVATE */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE |
>> > + MAP_SHARED, -1, EINVAL, "MAP_ANON with both SHARED and PRIVATE");
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_SHARED, shmfd,
>> > + EINVAL, "shm fd with both SHARED and PRIVATE");
>> > +
>> > + /* At least one of MAP_SHARED or MAP_PRIVATE without ANON */
>> > + checked_mmap(PROT_READ | PROT_WRITE, 0, shmfd, EINVAL,
>> > + "shm fd without sharing flag");
>> > +
>> > + /* MAP_ANON with sharing flag. Will fail on RTEMS*/
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1,
>> > EINVAL,
>> > + "shared MAP_ANON");
>> > + /* MAP_ANON with private flag*/
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0,
>> > + "private MAP_ANON");
>> > +
>> > + /* MAP_ANON should require an fd of -1. */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, 0,
>> > EINVAL,
>> > + "MAP_ANON with fd != -1");
>> > +
>> > + /*
>> > + * Writable MAP_SHARED should fail on read-only descriptors. Will
>> > fail
>> > + * on RTEMS because of unimplemented mmap handler in /dev/null and
>> > the fact
>> > + * that there is no read only protection.
>> > + */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_SHARED, zerofd, ENOTSUP,
>> > + "MAP_SHARED of read-only /dev/zero");
>> > +
>> > + /*
>> > + * Character devices other than /dev/zero do not support private
>> > + * mappings. RTEMS cannot protect against writes so this will fail
>> > with
>> > + * ENOTSUP
>> > + */
>> > + checked_mmap(PROT_READ, MAP_PRIVATE, devfd, ENOTSUP,
>> > + "MAP_PRIVATE of test driver");
>> > +
>> > + /*
>> > + * Repeat with no write protection.
>> > + */
>> > + checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE, devfd, EINVAL,
>> > + "MAP_PRIVATE of test driver");
>> > +
>> > + close(devfd);
>> > + close(shmfd);
>> > + close(zerofd);
>> > +}
>> > +
>> > +static void mmap_dev_zero_private( void )
>> > +{
>> > + char *p1, *p2, *p3;
>> > + int fd, pagesize;
>> > + /*int i*/
>> > +
>> > + rtems_test_assert((pagesize = getpagesize()) > 0);
>> > + rtems_test_assert((fd = open("/dev/zero", O_RDONLY)) >= 0);
>> > +
>> > + /* This should not return MAP_FAILED but does on RTEMS */
>> > + p1 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd,
>> > 0);
>> > + /*rtems_test_assert(p1 != MAP_FAILED);*/
>> > + rtems_test_assert(p1 == MAP_FAILED);
>> > +
>> > + /* This should not return MAP_FAILED but does on RTEMS */
>> > + p2 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd,
>> > 0);
>> > + /*rtems_test_assert(p2 != MAP_FAILED);*/
>> > + rtems_test_assert(p2 == MAP_FAILED);
>> > +
>> > + /* These tests can not run due to failures above */
>> > + /*for (i = 0; i < pagesize; i++)
>> > + mmap_test_assert_equal(0, p1[i], "byte at p1[%d] is %x", i, p1[i]);
>> > +
>> > + rtems_test_assert(memcmp(p1, p2, pagesize) == 0);
>> > +
>> > + p1[0] = 1;
>> > +
>> > + rtems_test_assert(p2[0] == 0);
>> > +
>> > + p2[0] = 2;
>> > +
>> > + rtems_test_assert(p1[0] == 1);*/
>> > +
>> > + /* This should not return MAP_FAILED but does on RTEMS */
>> > + p3 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd,
>> > 0);
>> > + /*rtems_test_assert(p3 != MAP_FAILED);*/
>> > + rtems_test_assert(p3 == MAP_FAILED);
>> > +
>> > + /*rtems_test_assert(p3[0] == 0);
>> > +
>> > + munmap(p1, pagesize);
>> > + munmap(p2, pagesize);
>> > + munmap(p3, pagesize);*/
>> > + close(fd);
>> > +}
>> > +
>> > +static void mmap_dev_zero_shared( void )
>> > +{
>> > + char *p1, *p2, *p3;
>> > + int fd, pagesize;
>> > + /*int i*/
>> > +
>> > + rtems_test_assert((pagesize = getpagesize()) > 0);
>> > + rtems_test_assert((fd = open("/dev/zero", O_RDWR)) >= 0);
>> > +
>> > + /* This should not return MAP_FAILED but does on RTEMS */
>> > + p1 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
>> > + /*rtems_test_assert(p1 != MAP_FAILED);*/
>> > + rtems_test_assert(p1 == MAP_FAILED);
>> > +
>> > + /* This should not return MAP_FAILED but does on RTEMS */
>> > + p2 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
>> > + /*rtems_test_assert(p2 != MAP_FAILED);*/
>> > + rtems_test_assert(p2 == MAP_FAILED);
>> > +
>> > + /* These tests can not run due to failures above */
>> > + /*for (i = 0; i < pagesize; i++)
>> > + mmap_test_assert_equal(0, p1[i], "byte at p1[%d] is %x", i, p1[i]);
>> > +
>> > + rtems_test_assert(memcmp(p1, p2, pagesize) == 0);
>> > +
>> > + p1[0] = 1;
>> > +
>> > + rtems_test_assert(p2[0] == 0);
>> > +
>> > + p2[0] = 2;
>> > +
>> > + rtems_test_assert(p1[0] == 1);*/
>> > +
>> > + p3 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
>> > + /*rtems_test_assert(p3 != MAP_FAILED);*/
>> > + rtems_test_assert(p3 == MAP_FAILED);
>> > +
>> > + /*rtems_test_assert(p3[0] == 0);
>> > +
>> > + munmap(p1, pagesize);
>> > + munmap(p2, pagesize);
>> > + munmap(p3, pagesize);*/
>> > + close(fd);
>> > +}
>> > +
>> > +void *POSIX_Init(
>> > + void *argument
>> > +)
>> > +{
>> > + int rv;
>> > +
>> > + TEST_BEGIN();
>> > +
>> > + rv = IMFS_make_generic_node(
>> > + &test_driver_name[0],
>> > + S_IFCHR | S_IRWXU | S_IRWXG | S_IRWXO,
>> > + &node_control,
>> > + NULL
>> > + );
>> > + rtems_test_assert(rv == 0);
>> > +
>> > + puts( "Init: mmap - map at zero" );
>> > + mmap_map_at_zero();
>> > + puts( "Init: mmap - bad arguments" );
>> > + mmap_bad_arguments();
>> > + /*
>> > + * The following test does not work on RTEMS because /dev/zero is
>> > + * implemented as a character device which does not support
>> > MAP_PRIVATE.
>> > + */
>> > + puts( "Init: mmap - /dev/zero private" );
>> > + mmap_dev_zero_private();
>> > + /*
>> > + * The following test does not work on RTEMS because /dev/zero does
>> > not
>> > + * implemented the mmap handler.
>> > + */
>> > + puts( "Init: mmap - /dev/zero shared" );
>> > + mmap_dev_zero_shared();
>> > +
>> > + TEST_END();
>> > +
>> > + rtems_test_exit(0);
>> > + return 0;
>> > +}
>> > diff --git a/testsuites/psxtests/psxmmap01/psxmmap01.scn
>> > b/testsuites/psxtests/psxmmap01/psxmmap01.scn
>> > new file mode 100644
>> > index 0000000..e69de29
>> > diff --git a/testsuites/psxtests/psxmmap01/system.h
>> > b/testsuites/psxtests/psxmmap01/system.h
>> > new file mode 100644
>> > index 0000000..2241f88
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/system.h
>> > @@ -0,0 +1,31 @@
>> > +/*
>> > + * Copyright (c) 2017 Kevin Kirspel.
>> > + *
>> > + * The license and distribution terms for this file may be
>> > + * found in the file LICENSE in this distribution or at
>> > + * http://www.rtems.org/license/LICENSE.
>> > + */
>> > +
>> > +#include <pmacros.h>
>> > +#include <unistd.h>
>> > +#include <errno.h>
>> > +
>> > +void *POSIX_Init(
>> > + void *argument
>> > +);
>> > +
>> > +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
>> > +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
>> > +#define CONFIGURE_APPLICATION_NEEDS_ZERO_DRIVER
>> > +#define CONFIGURE_APPLICATION_NEEDS_STUB_DRIVER
>> > +
>> > +#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
>> > +
>> > +#define CONFIGURE_MAXIMUM_POSIX_THREADS 1
>> > +#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 10
>> > +#define CONFIGURE_MAXIMUM_POSIX_SHMS 1
>> > +#define CONFIGURE_MEMORY_OVERHEAD 10
>> > +
>> > +#define CONFIGURE_POSIX_INIT_THREAD_TABLE
>> > +
>> > +#include <rtems/confdefs.h>
>> > diff --git a/testsuites/psxtests/psxmmap01/test_driver.c
>> > b/testsuites/psxtests/psxmmap01/test_driver.c
>> > new file mode 100644
>> > index 0000000..87719b9
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/test_driver.c
>> > @@ -0,0 +1,67 @@
>> > +/*
>> > + * Copyright (c) 2017 Kevin Kirspel.
>> > + *
>> > + * The license and distribution terms for this file may be
>> > + * found in the file LICENSE in this distribution or at
>> > + * http://www.rtems.org/license/LICENSE.
>> > + */
>> > +
>> > +#ifdef HAVE_CONFIG_H
>> > +#include "config.h"
>> > +#endif
>> > +
>> > +#include "test_driver.h"
>> > +
>> > +#include <rtems/libio.h>
>> > +
>> > +char test_data[PAGE_SIZE];
>> > +
>> > +static int handler_fstat(
>> > + const rtems_filesystem_location_info_t *loc,
>> > + struct stat *buf
>> > +)
>> > +{
>> > + buf->st_mode = S_IFCHR | S_IRWXU | S_IRWXG | S_IRWXO;
>> > + return 0;
>> > +}
>> > +
>> > +static ssize_t handler_mmap(
>> > + rtems_libio_t *iop,
>> > + void **addr,
>> > + size_t len,
>> > + int prot,
>> > + off_t off
>> > +)
>> > +{
>> > + if ( len <= sizeof(test_data) ) {
>> > + *addr = test_data;
>> > + } else {
>> > + *addr = NULL;
>> > + }
>> > + return 0;
>> > +}
>> > +
>> > +static const rtems_filesystem_file_handlers_r node_handlers = {
>> > + .open_h = rtems_filesystem_default_open,
>> > + .close_h = rtems_filesystem_default_close,
>> > + .read_h = rtems_filesystem_default_read,
>> > + .write_h = rtems_filesystem_default_write,
>> > + .ioctl_h = rtems_filesystem_default_ioctl,
>> > + .lseek_h = rtems_filesystem_default_lseek,
>> > + .fstat_h = handler_fstat,
>> > + .ftruncate_h = rtems_filesystem_default_ftruncate,
>> > + .fsync_h = rtems_filesystem_default_fsync_or_fdatasync,
>> > + .fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync,
>> > + .fcntl_h = rtems_filesystem_default_fcntl,
>> > + .poll_h = rtems_filesystem_default_poll,
>> > + .kqfilter_h = rtems_filesystem_default_kqfilter,
>> > + .mmap_h = handler_mmap,
>> > + .readv_h = rtems_filesystem_default_readv,
>> > + .writev_h = rtems_filesystem_default_writev
>> > +};
>> > +
>> > +const IMFS_node_control node_control = IMFS_GENERIC_INITIALIZER(
>> > + &node_handlers,
>> > + IMFS_node_initialize_default,
>> > + IMFS_node_destroy_default
>> > +);
>> > diff --git a/testsuites/psxtests/psxmmap01/test_driver.h
>> > b/testsuites/psxtests/psxmmap01/test_driver.h
>> > new file mode 100644
>> > index 0000000..5afdb9b
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/test_driver.h
>> > @@ -0,0 +1,14 @@
>> > +/*
>> > + * Copyright (c) 2017 Kevin Kirspel.
>> > + *
>> > + * The license and distribution terms for this file may be
>> > + * found in the file LICENSE in this distribution or at
>> > + * http://www.rtems.org/license/LICENSE.
>> > + */
>> > +
>> > +#include <rtems.h>
>> > +#include <rtems/imfs.h>
>> > +#include <rtems/libcsupport.h>
>> > +
>> > +extern const IMFS_node_control node_control;
>> > +extern char test_data[PAGE_SIZE];
>> > diff --git a/testsuites/psxtests/psxmmap01/test_helper.c
>> > b/testsuites/psxtests/psxmmap01/test_helper.c
>> > new file mode 100644
>> > index 0000000..cab8e91
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/test_helper.c
>> > @@ -0,0 +1,32 @@
>> > +/*
>> > + * Copyright (c) 2017 Kevin Kirspel.
>> > + *
>> > + * The license and distribution terms for this file may be
>> > + * found in the file LICENSE in this distribution or at
>> > + * http://www.rtems.org/license/LICENSE.
>> > + */
>> > +
>> > +#ifdef HAVE_CONFIG_H
>> > +#include "config.h"
>> > +#endif
>> > +
>> > +#include "test_helper.h"
>> > +
>> > +#include <stdio.h>
>> > +#include <stdarg.h>
>> > +
>> > +void fail_check(
>> > + const char *file,
>> > + const size_t line,
>> > + const char *fmt,
>> > + ...
>> > +)
>> > +{
>> > + va_list ap;
>> > +
>> > + printf( "%s: %d: ", file, line );
>> > +
>> > + va_start(ap, fmt);
>> > + vprintf(fmt, ap);
>> > + va_end(ap);
>> > +}
>> > diff --git a/testsuites/psxtests/psxmmap01/test_helper.h
>> > b/testsuites/psxtests/psxmmap01/test_helper.h
>> > new file mode 100644
>> > index 0000000..65ca3c1
>> > --- /dev/null
>> > +++ b/testsuites/psxtests/psxmmap01/test_helper.h
>> > @@ -0,0 +1,41 @@
>> > +/*
>> > + * Copyright (c) 2017 Kevin Kirspel.
>> > + *
>> > + * The license and distribution terms for this file may be
>> > + * found in the file LICENSE in this distribution or at
>> > + * http://www.rtems.org/license/LICENSE.
>> > + */
>> > +
>> > +#include <string.h>
>> > +
>> > +#define mmap_test_assert(__exp, fmt, ...) \
>> > + do { \
>> > + if (!(__exp)) { \
>> > + fail_check(__FILE__, __LINE__, fmt, ##__VA_ARGS__); \
>> > + rtems_test_exit(0); \
>> > + } \
>> > + } while (0)
>> > +
>> > +#define mmap_test_check(__exp, fmt, ...) \
>> > + do { \
>> > + if (!(__exp)) { \
>> > + fail_check(__FILE__, __LINE__, fmt, ##__VA_ARGS__); \
>> > + } else { \
>> > + rtems_test_assert(__exp); \
>> > + }\
>> > + } while (0)
>> > +
>> > +#define mmap_test_assert_equal(expected, actual, fmt, ...) \
>> > + mmap_test_assert((expected) == (actual), "%s != %s: " fmt, \
>> > + #expected, #actual, ##__VA_ARGS__)
>> > +
>> > +#define mmap_test_check_equal(expected, actual, fmt, ...) \
>> > + mmap_test_check((expected) == (actual), "%s != %s: " fmt, \
>> > + #expected, #actual, ##__VA_ARGS__)
>> > +
>> > +extern void fail_check(
>> > + const char *file,
>> > + const size_t line,
>> > + const char *fmt,
>> > + ...
>> > +);
>> > --
>> > 1.9.1
>> >
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