* [Qemu-devel] [5809] Prepare for handling different BSD mmap() flags
@ 2008-11-29 14:05 Blue Swirl
0 siblings, 0 replies; only message in thread
From: Blue Swirl @ 2008-11-29 14:05 UTC (permalink / raw)
To: qemu-devel
Revision: 5809
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5809
Author: blueswir1
Date: 2008-11-29 14:05:16 +0000 (Sat, 29 Nov 2008)
Log Message:
-----------
Prepare for handling different BSD mmap() flags
Modified Paths:
--------------
trunk/bsd-user/mmap.c
Added Paths:
-----------
trunk/bsd-user/bsd-mman.h
Added: trunk/bsd-user/bsd-mman.h
===================================================================
--- trunk/bsd-user/bsd-mman.h (rev 0)
+++ trunk/bsd-user/bsd-mman.h 2008-11-29 14:05:16 UTC (rev 5809)
@@ -0,0 +1,121 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. 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.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ * @(#)mman.h 8.2 (Berkeley) 1/9/95
+ * $FreeBSD: src/sys/sys/mman.h,v 1.42 2008/03/28 04:29:27 ps Exp $
+ */
+
+#define TARGET_FREEBSD_MAP_RESERVED0080 0x0080 /* previously misimplemented MAP_INHERIT */
+#define TARGET_FREEBSD_MAP_RESERVED0100 0x0100 /* previously unimplemented MAP_NOEXTEND */
+#define TARGET_FREEBSD_MAP_STACK 0x0400 /* region grows down, like a stack */
+#define TARGET_FREEBSD_MAP_NOSYNC 0x0800 /* page to but do not sync underlying file */
+
+#define TARGET_FREEBSD_MAP_FLAGMASK 0x1ff7
+
+/* $NetBSD: mman.h,v 1.42 2008/11/18 22:13:49 ad Exp $ */
+
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ * @(#)mman.h 8.2 (Berkeley) 1/9/95
+ */
+#define TARGET_NETBSD_MAP_INHERIT 0x0080 /* region is retained after exec */
+#define TARGET_NETBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, even within break */
+#define TARGET_NETBSD_MAP_WIRED 0x0800 /* mlock() mapping when it is established */
+
+#define TARGET_NETBSD_MAP_STACK 0x2000 /* allocated from memory, swap space (stack) */
+
+#define TARGET_NETBSD_MAP_FLAGMASK 0x3ff7
+
+/* $OpenBSD: mman.h,v 1.18 2003/07/21 22:52:19 tedu Exp $ */
+/* $NetBSD: mman.h,v 1.11 1995/03/26 20:24:23 jtc Exp $ */
+
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ * @(#)mman.h 8.1 (Berkeley) 6/2/93
+ */
+
+#define TARGET_OPENBSD_MAP_INHERIT 0x0080 /* region is retained after exec */
+#define TARGET_OPENBSD_MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */
+#define TARGET_OPENBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, even within heap */
+
+#define TARGET_OPENBSD_MAP_FLAGMASK 0x17f7
+
+// XXX
+#define TARGET_BSD_MAP_FLAGMASK 0x3ff7
Modified: trunk/bsd-user/mmap.c
===================================================================
--- trunk/bsd-user/mmap.c 2008-11-29 13:33:23 UTC (rev 5808)
+++ trunk/bsd-user/mmap.c 2008-11-29 14:05:16 UTC (rev 5809)
@@ -27,6 +27,7 @@
#include "qemu.h"
#include "qemu-common.h"
+#include "bsd-mman.h"
//#define DEBUG_MMAP
@@ -223,7 +224,7 @@
if (!(flags & MAP_ANON)) {
/* msync() won't work here, so we return an error if write is
possible while it is a shared mapping */
- if ((flags & MAP_FLAGMASK) == MAP_SHARED &&
+ if ((flags & TARGET_BSD_MAP_FLAGMASK) == MAP_SHARED &&
(prot & PROT_WRITE))
return -EINVAL;
@@ -323,7 +324,7 @@
printf("MAP_FIXED ");
if (flags & MAP_ANON)
printf("MAP_ANON ");
- switch(flags & MAP_FLAGMASK) {
+ switch(flags & TARGET_BSD_MAP_FLAGMASK) {
case MAP_PRIVATE:
printf("MAP_PRIVATE ");
break;
@@ -331,7 +332,7 @@
printf("MAP_SHARED ");
break;
default:
- printf("[MAP_FLAGMASK=0x%x] ", flags & MAP_FLAGMASK);
+ printf("[MAP_FLAGMASK=0x%x] ", flags & TARGET_BSD_MAP_FLAGMASK);
break;
}
printf("fd=%d offset=" TARGET_FMT_lx "\n", fd, offset);
@@ -396,7 +397,7 @@
(offset & ~qemu_host_page_mask) != (start & ~qemu_host_page_mask)) {
/* msync() won't work here, so we return an error if write is
possible while it is a shared mapping */
- if ((flags & MAP_FLAGMASK) == MAP_SHARED &&
+ if ((flags & TARGET_BSD_MAP_FLAGMASK) == MAP_SHARED &&
(prot & PROT_WRITE)) {
errno = EINVAL;
goto fail;
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2008-11-29 14:05 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-11-29 14:05 [Qemu-devel] [5809] Prepare for handling different BSD mmap() flags Blue Swirl
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).