1 | /* $NetBSD: linux_mmap.h,v 1.21 2008/04/28 20:23:43 martin Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1998 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Frank van der Linden and Eric Haszlakiewicz. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _LINUX_MMAP_H |
33 | #define _LINUX_MMAP_H |
34 | |
35 | #define LINUX_PROT_NONE 0x00 |
36 | #define LINUX_PROT_READ 0x01 |
37 | #define LINUX_PROT_WRITE 0x02 |
38 | #define LINUX_PROT_EXEC 0x04 |
39 | #define LINUX_PROT_GROWSDOWN 0x01000000 |
40 | #define LINUX_PROT_GROWSUP 0x02000000 |
41 | |
42 | #define LINUX_MAP_SHARED 0x0001 |
43 | #define LINUX_MAP_PRIVATE 0x0002 |
44 | |
45 | #if defined(__i386__) |
46 | #include <compat/linux/arch/i386/linux_mmap.h> |
47 | #elif defined(__m68k__) |
48 | #include <compat/linux/arch/m68k/linux_mmap.h> |
49 | #elif defined(__alpha__) |
50 | #include <compat/linux/arch/alpha/linux_mmap.h> |
51 | #elif defined(__powerpc__) |
52 | #include <compat/linux/arch/powerpc/linux_mmap.h> |
53 | #elif defined(__mips__) |
54 | #include <compat/linux/arch/mips/linux_mmap.h> |
55 | #elif defined(__arm__) |
56 | #include <compat/linux/arch/arm/linux_mmap.h> |
57 | #elif defined(__amd64__) |
58 | #include <compat/linux/arch/amd64/linux_mmap.h> |
59 | /* |
60 | * XXX ERH: All below here are guesses. The header |
61 | * XXX ERH: files are correct but the defined(*) |
62 | * XXX ERH: probably aren't |
63 | * |
64 | * XXX ERH: Can probably drop some of these headers: linux |
65 | * XXX ERH: is stupid about compat stuff. It doesn't really |
66 | * XXX ERH: use all the defines, but I don't want to go looking |
67 | * XXX ERH: through all the kernel sources right now. |
68 | */ |
69 | #elif defined(__sparc__) |
70 | #include <compat/linux/arch/sparc/linux_mmap.h> |
71 | #else |
72 | #error Undefined linux_mmap.h machine type. |
73 | #endif |
74 | |
75 | /* |
76 | * Ensure the linux_sys_mmap syscall appears to exist: |
77 | */ |
78 | struct linux_sys_mmap_args; |
79 | struct linux_sys_mmap_args { |
80 | syscallarg(unsigned long) addr; |
81 | syscallarg(size_t) len; |
82 | syscallarg(int) prot; |
83 | syscallarg(int) flags; |
84 | syscallarg(int) fd; |
85 | syscallarg(linux_off_t) offset; |
86 | }; |
87 | |
88 | /* |
89 | * Same arguments, but different meaning for "offset". |
90 | * See linux_misc.c:linux_sys_mmap2(). |
91 | */ |
92 | #define linux_sys_mmap2_args linux_sys_mmap_args |
93 | |
94 | #ifdef _KERNEL |
95 | __BEGIN_DECLS |
96 | int linux_sys_mmap(struct lwp *p, const struct linux_sys_mmap_args *v, register_t *retval); |
97 | int linux_sys_mmap2(struct lwp *p, const struct linux_sys_mmap2_args *v, register_t *retval); |
98 | |
99 | __END_DECLS |
100 | #endif /* !_KERNEL */ |
101 | |
102 | #endif /* !_LINUX_MMAP_H */ |
103 | |