gwj / at91sam9263 · Commits

Commit 6c173b3c09548fd5cd82de08646dfe939ec9416e

Authored by blueswir1
1 parent ee50add9

Prepare for handling different BSD mmap() flags 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5809 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 2 changed files with 126 additions and 4 deletions
bsd-user/bsd-mman.h 0 → 100644
  View file @6c173b3
  1 +/*-
  2 + * Copyright (c) 1982, 1986, 1993
  3 + * The Regents of the University of California. All rights reserved.
  4 + *
  5 + * Redistribution and use in source and binary forms, with or without
  6 + * modification, are permitted provided that the following conditions
  7 + * are met:
  8 + * 1. Redistributions of source code must retain the above copyright
  9 + * notice, this list of conditions and the following disclaimer.
  10 + * 2. Redistributions in binary form must reproduce the above copyright
  11 + * notice, this list of conditions and the following disclaimer in the
  12 + * documentation and/or other materials provided with the distribution.
  13 + * 4. Neither the name of the University nor the names of its contributors
  14 + * may be used to endorse or promote products derived from this software
  15 + * without specific prior written permission.
  16 + *
  17 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20 + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27 + * SUCH DAMAGE.
  28 + *
  29 + * @(#)mman.h 8.2 (Berkeley) 1/9/95
  30 + * $FreeBSD: src/sys/sys/mman.h,v 1.42 2008/03/28 04:29:27 ps Exp $
  31 + */
  32 +
  33 +#define TARGET_FREEBSD_MAP_RESERVED0080 0x0080 /* previously misimplemented MAP_INHERIT */
  34 +#define TARGET_FREEBSD_MAP_RESERVED0100 0x0100 /* previously unimplemented MAP_NOEXTEND */
  35 +#define TARGET_FREEBSD_MAP_STACK 0x0400 /* region grows down, like a stack */
  36 +#define TARGET_FREEBSD_MAP_NOSYNC 0x0800 /* page to but do not sync underlying file */
  37 +
  38 +#define TARGET_FREEBSD_MAP_FLAGMASK 0x1ff7
  39 +
  40 +/* $NetBSD: mman.h,v 1.42 2008/11/18 22:13:49 ad Exp $ */
  41 +
  42 +/*-
  43 + * Copyright (c) 1982, 1986, 1993
  44 + * The Regents of the University of California. All rights reserved.
  45 + *
  46 + * Redistribution and use in source and binary forms, with or without
  47 + * modification, are permitted provided that the following conditions
  48 + * are met:
  49 + * 1. Redistributions of source code must retain the above copyright
  50 + * notice, this list of conditions and the following disclaimer.
  51 + * 2. Redistributions in binary form must reproduce the above copyright
  52 + * notice, this list of conditions and the following disclaimer in the
  53 + * documentation and/or other materials provided with the distribution.
  54 + * 3. Neither the name of the University nor the names of its contributors
  55 + * may be used to endorse or promote products derived from this software
  56 + * without specific prior written permission.
  57 + *
  58 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  59 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  60 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  61 + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  62 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  63 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  64 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  65 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  66 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  67 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  68 + * SUCH DAMAGE.
  69 + *
  70 + * @(#)mman.h 8.2 (Berkeley) 1/9/95
  71 + */
  72 +#define TARGET_NETBSD_MAP_INHERIT 0x0080 /* region is retained after exec */
  73 +#define TARGET_NETBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, even within break */
  74 +#define TARGET_NETBSD_MAP_WIRED 0x0800 /* mlock() mapping when it is established */
  75 +
  76 +#define TARGET_NETBSD_MAP_STACK 0x2000 /* allocated from memory, swap space (stack) */
  77 +
  78 +#define TARGET_NETBSD_MAP_FLAGMASK 0x3ff7
  79 +
  80 +/* $OpenBSD: mman.h,v 1.18 2003/07/21 22:52:19 tedu Exp $ */
  81 +/* $NetBSD: mman.h,v 1.11 1995/03/26 20:24:23 jtc Exp $ */
  82 +
  83 +/*-
  84 + * Copyright (c) 1982, 1986, 1993
  85 + * The Regents of the University of California. All rights reserved.
  86 + *
  87 + * Redistribution and use in source and binary forms, with or without
  88 + * modification, are permitted provided that the following conditions
  89 + * are met:
  90 + * 1. Redistributions of source code must retain the above copyright
  91 + * notice, this list of conditions and the following disclaimer.
  92 + * 2. Redistributions in binary form must reproduce the above copyright
  93 + * notice, this list of conditions and the following disclaimer in the
  94 + * documentation and/or other materials provided with the distribution.
  95 + * 3. Neither the name of the University nor the names of its contributors
  96 + * may be used to endorse or promote products derived from this software
  97 + * without specific prior written permission.
  98 + *
  99 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  100 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  101 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  102 + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  103 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  104 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  105 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  106 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  107 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  108 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  109 + * SUCH DAMAGE.
  110 + *
  111 + * @(#)mman.h 8.1 (Berkeley) 6/2/93
  112 + */
  113 +
  114 +#define TARGET_OPENBSD_MAP_INHERIT 0x0080 /* region is retained after exec */
  115 +#define TARGET_OPENBSD_MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */
  116 +#define TARGET_OPENBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, even within heap */
  117 +
  118 +#define TARGET_OPENBSD_MAP_FLAGMASK 0x17f7
  119 +
  120 +// XXX
  121 +#define TARGET_BSD_MAP_FLAGMASK 0x3ff7
... ...
bsd-user/mmap.c
  View file @6c173b3
... ... @@ -27,6 +27,7 @@
27 27  
28 28 #include "qemu.h"
29 29 #include "qemu-common.h"
  30 +#include "bsd-mman.h"
30 31  
31 32 //#define DEBUG_MMAP
32 33  
... ... @@ -223,7 +224,7 @@ static int mmap_frag(abi_ulong real_start,
223 224 if (!(flags & MAP_ANON)) {
224 225 /* msync() won't work here, so we return an error if write is
225 226 possible while it is a shared mapping */
226   - if ((flags & MAP_FLAGMASK) == MAP_SHARED &&
  227 + if ((flags & TARGET_BSD_MAP_FLAGMASK) == MAP_SHARED &&
227 228 (prot & PROT_WRITE))
228 229 return -EINVAL;
229 230  
... ... @@ -323,7 +324,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
323 324 printf("MAP_FIXED ");
324 325 if (flags & MAP_ANON)
325 326 printf("MAP_ANON ");
326   - switch(flags & MAP_FLAGMASK) {
  327 + switch(flags & TARGET_BSD_MAP_FLAGMASK) {
327 328 case MAP_PRIVATE:
328 329 printf("MAP_PRIVATE ");
329 330 break;
... ... @@ -331,7 +332,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
331 332 printf("MAP_SHARED ");
332 333 break;
333 334 default:
334   - printf("[MAP_FLAGMASK=0x%x] ", flags & MAP_FLAGMASK);
  335 + printf("[MAP_FLAGMASK=0x%x] ", flags & TARGET_BSD_MAP_FLAGMASK);
335 336 break;
336 337 }
337 338 printf("fd=%d offset=" TARGET_FMT_lx "\n", fd, offset);
... ... @@ -396,7 +397,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
396 397 (offset & ~qemu_host_page_mask) != (start & ~qemu_host_page_mask)) {
397 398 /* msync() won't work here, so we return an error if write is
398 399 possible while it is a shared mapping */
399   - if ((flags & MAP_FLAGMASK) == MAP_SHARED &&
  400 + if ((flags & TARGET_BSD_MAP_FLAGMASK) == MAP_SHARED &&
400 401 (prot & PROT_WRITE)) {
401 402 errno = EINVAL;
402 403 goto fail;
... ...