| 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 | |