178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync/*
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * Small test program to verify simulated mmap behaviour.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync *
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * When running qemu-linux-user with the -p flag, you may need to tell
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * this test program about the pagesize because getpagesize() will not reflect
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * the -p choice. Simply pass one argument beeing the pagesize.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync *
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * Copyright (c) 2007 AXIS Communications AB
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * Written by Edgar E. Iglesias.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync *
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * This program is free software; you can redistribute it and/or modify
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * it under the terms of the GNU General Public License as published by
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * the Free Software Foundation; either version 2 of the License, or
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * (at your option) any later version.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync *
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * This program is distributed in the hope that it will be useful,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * but WITHOUT ANY WARRANTY; without even the implied warranty of
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * GNU General Public License for more details.
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync *
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync * You should have received a copy of the GNU General Public License
4c37c32b924cb13b821f9d2e01f42cabbd3d9cf9vboxsync * along with this program; if not, see <http://www.gnu.org/licenses/>.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
f8db050073c46a20de538fb22c33e22952ee7223vboxsync/*
f8db050073c46a20de538fb22c33e22952ee7223vboxsync * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
f8db050073c46a20de538fb22c33e22952ee7223vboxsync * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
f8db050073c46a20de538fb22c33e22952ee7223vboxsync * the General Public License version 2 (GPLv2) at this time for any software where
f8db050073c46a20de538fb22c33e22952ee7223vboxsync * a choice of GPL license versions is made available with the language indicating
f8db050073c46a20de538fb22c33e22952ee7223vboxsync * that GPLv2 or any later version may be used, or where a choice of which version
f8db050073c46a20de538fb22c33e22952ee7223vboxsync * of the GPL is applied is otherwise unspecified.
f8db050073c46a20de538fb22c33e22952ee7223vboxsync */
f8db050073c46a20de538fb22c33e22952ee7223vboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#include <stdio.h>
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#include <stdlib.h>
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#include <stdint.h>
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#include <string.h>
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#include <unistd.h>
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#include <sys/mman.h>
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#define D(x)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync#define fail_unless(x) \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncdo \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{ \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync if (!(x)) { \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "FAILED at %s:%d\n", __FILE__, __LINE__); \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync exit (EXIT_FAILURE); \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync } \
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync} while (0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncunsigned char *dummybuf;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncstatic unsigned int pagesize;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncstatic unsigned int pagemask;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncint test_fd;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncsize_t test_fsize;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_aligned_anonymous_unfixed_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p2;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p3;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p4;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p5;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s", __func__);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 0x1fff; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync size_t len;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync len = pagesize + (pagesize * i & 7);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(NULL, len, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p2 = mmap(NULL, len, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p3 = mmap(NULL, len, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p4 = mmap(NULL, len, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p5 = mmap(NULL, len, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we get pages aligned with the pagesize. The
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p2 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p3 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p4 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p5 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync D(printf ("p=%x\n", p));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p2;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p3;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p4;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p5;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we can read from the entire area. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p2, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p3, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p4, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p5, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p2, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p3, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p4, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p5, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_large_anonymous_unfixed_mmap(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync size_t len;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s", __func__);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync len = 0x02000000;
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(NULL, len, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we get pages aligned with the pagesize. The
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we can read from the entire area. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_aligned_anonymous_unfixed_colliding_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *p2;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *p3;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s", __func__);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 0x2fff; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int nlen;
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(NULL, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p2 = mmap(NULL, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p2 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p2;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p2, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync nlen = pagesize * 8;
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p3 = mmap(NULL, nlen, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Check if the mmaped areas collide. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync if (p3 < p2
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync && (p3 + nlen) > p2)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p3, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we get pages aligned with the pagesize. The
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p3 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p3;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p2, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p3, nlen);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_aligned_anonymous_fixed_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *addr;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Find a suitable address to start with. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync addr = mmap(NULL, pagesize * 40, PROT_READ | PROT_WRITE,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s addr=%p", __func__, addr);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (addr != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 40; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Create submaps within our unfixed map. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(addr, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync -1, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync /* Make sure we get pages aligned with the pagesize.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync The target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 == addr);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync addr += pagesize;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_aligned_anonymous_fixed_mmaps_collide_with_host(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *addr;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync void *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Find a suitable address to start with. Right were the x86 hosts
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync stack is. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync addr = ((void *)0x80000000);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s addr=%p", __func__, addr);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "FIXME: QEMU fails to track pages used by the host.");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 20; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Create submaps within our unfixed map. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(addr, pagesize, PROT_READ | PROT_WRITE,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync -1, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync /* Make sure we get pages aligned with the pagesize.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync The target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 == addr);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (p1, dummybuf, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync addr += pagesize;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_file_unfixed_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unsigned int *p1, *p2, *p3;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s", __func__);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 0x10; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync size_t len;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync len = pagesize;
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(NULL, len, PROT_READ,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync MAP_PRIVATE,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p2 = mmap(NULL, len, PROT_READ,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync MAP_PRIVATE,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, pagesize);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p3 = mmap(NULL, len, PROT_READ,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync MAP_PRIVATE,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, pagesize * 2);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p2 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p3 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we get pages aligned with the pagesize. The
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p2;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p3;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Verify that the file maps was made correctly. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync D(printf ("p1=%d p2=%d p3=%d\n", *p1, *p2, *p3));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p1 == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p2 == (pagesize / sizeof *p2));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p3 == ((pagesize * 2) / sizeof *p3));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p2, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p3, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p2, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p3, len);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_file_unfixed_eof_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *cp;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unsigned int *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s", __func__);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 0x10; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(NULL, pagesize, PROT_READ,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync MAP_PRIVATE,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync test_fd,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync (test_fsize - sizeof *p1) & ~pagemask);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we get pages aligned with the pagesize. The
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Verify that the file maps was made correctly. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1[(test_fsize & pagemask) / sizeof *p1 - 1]
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync == ((test_fsize - sizeof *p1) / sizeof *p1));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Verify that the end of page is accessable and zeroed. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync cp = (void *) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (cp[pagesize - 4] == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_file_fixed_eof_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *addr;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char *cp;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unsigned int *p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync uintptr_t p;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Find a suitable address to start with. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync addr = mmap(NULL, pagesize * 44, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s addr=%p", __func__, (void *)addr);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (addr != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 0x10; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Create submaps within our unfixed map. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(addr, pagesize, PROT_READ,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync MAP_PRIVATE | MAP_FIXED,
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync test_fd,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync (test_fsize - sizeof *p1) & ~pagemask);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Make sure we get pages aligned with the pagesize. The
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync p = (uintptr_t) p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless ((p & pagemask) == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Verify that the file maps was made correctly. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1[(test_fsize & pagemask) / sizeof *p1 - 1]
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync == ((test_fsize - sizeof *p1) / sizeof *p1));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Verify that the end of page is accessable and zeroed. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync cp = (void *)p1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (cp[pagesize - 4] == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync addr += pagesize;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncvoid check_file_fixed_mmaps(void)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unsigned char *addr;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unsigned int *p1, *p2, *p3, *p4;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Find a suitable address to start with. */
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync addr = mmap(NULL, pagesize * 40 * 4, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_ANONYMOUS,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync -1, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, "%s addr=%p", __func__, (void *)addr);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (addr != MAP_FAILED);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < 40; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync {
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p1 = mmap(addr, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_FIXED,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, 0);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p2 = mmap(addr + pagesize, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_FIXED,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, pagesize);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p3 = mmap(addr + pagesize * 2, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_FIXED,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, pagesize * 2);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync p4 = mmap(addr + pagesize * 3, pagesize, PROT_READ,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync MAP_PRIVATE | MAP_FIXED,
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd, pagesize * 3);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync /* Make sure we get pages aligned with the pagesize.
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync The target expects this. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p1 == (void *)addr);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p2 == (void *)addr + pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p3 == (void *)addr + pagesize * 2);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (p4 == (void *)addr + pagesize * 3);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Verify that the file maps was made correctly. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p1 == 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p2 == (pagesize / sizeof *p2));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p3 == ((pagesize * 2) / sizeof *p3));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fail_unless (*p4 == ((pagesize * 3) / sizeof *p4));
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p2, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p3, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync memcpy (dummybuf, p4, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p1, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p2, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p3, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync munmap (p4, pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync addr += pagesize * 4;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync }
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync fprintf (stderr, " passed\n");
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsyncint main(int argc, char **argv)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync{
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync char tempname[] = "/tmp/.cmmapXXXXXX";
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unsigned int i;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Trust the first argument, otherwise probe the system for our
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync pagesize. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync if (argc > 1)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync pagesize = strtoul(argv[1], NULL, 0);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync else
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync pagesize = sysconf(_SC_PAGESIZE);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Assume pagesize is a power of two. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync pagemask = pagesize - 1;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync dummybuf = malloc (pagesize);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync printf ("pagesize=%u pagemask=%x\n", pagesize, pagemask);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fd = mkstemp(tempname);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync unlink(tempname);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Fill the file with int's counting from zero and up. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync for (i = 0; i < (pagesize * 4) / sizeof i; i++)
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync write (test_fd, &i, sizeof i);
4af48bf7c72ef1e201c64bd475377b5af9d8e8a1vboxsync /* Append a few extra writes to make the file end at non
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync page boundary. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync write (test_fd, &i, sizeof i); i++;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync write (test_fd, &i, sizeof i); i++;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync write (test_fd, &i, sizeof i); i++;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync test_fsize = lseek(test_fd, 0, SEEK_CUR);
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Run the tests. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_aligned_anonymous_unfixed_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_aligned_anonymous_unfixed_colliding_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_aligned_anonymous_fixed_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_file_unfixed_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_file_fixed_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_file_fixed_eof_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync check_file_unfixed_eof_mmaps();
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* Fails at the moment. */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync /* check_aligned_anonymous_fixed_mmaps_collide_with_host(); */
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync return EXIT_SUCCESS;
178d85b8274f9ac82fb553c80760bbbb4044401cvboxsync}