1 /* $NetBSD: linux_mmap.h,v 1.18 2005/12/11 12:20:19 christos 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _LINUX_MMAP_H 40 #define _LINUX_MMAP_H 41 42 #define LINUX_PROT_NONE 0x00 43 #define LINUX_PROT_READ 0x01 44 #define LINUX_PROT_WRITE 0x02 45 #define LINUX_PROT_EXEC 0x04 46 #define LINUX_PROT_GROWSDOWN 0x01000000 47 #define LINUX_PROT_GROWSUP 0x02000000 48 49 #define LINUX_MAP_SHARED 0x0001 50 #define LINUX_MAP_PRIVATE 0x0002 51 52 #if defined(__i386__) 53 #include <compat/linux/arch/i386/linux_mmap.h> 54 #elif defined(__m68k__) 55 #include <compat/linux/arch/m68k/linux_mmap.h> 56 #elif defined(__alpha__) 57 #include <compat/linux/arch/alpha/linux_mmap.h> 58 #elif defined(__powerpc__) 59 #include <compat/linux/arch/powerpc/linux_mmap.h> 60 #elif defined(__mips__) 61 #include <compat/linux/arch/mips/linux_mmap.h> 62 #elif defined(__arm__) 63 #include <compat/linux/arch/arm/linux_mmap.h> 64 #elif defined(__amd64__) 65 #include <compat/linux/arch/amd64/linux_mmap.h> 66 /* 67 * XXX ERH: All below here are guesses. The header 68 * XXX ERH: files are correct but the defined(*) 69 * XXX ERH: probably aren't 70 * 71 * XXX ERH: Can probably drop some of these headers: linux 72 * XXX ERH: is stupid about compat stuff. It doesn't really 73 * XXX ERH: use all the defines, but I don't want to go looking 74 * XXX ERH: through all the kernel sources right now. 75 */ 76 #elif defined(__sparc__) 77 #include <compat/linux/arch/sparc/linux_mmap.h> 78 #else 79 #error Undefined linux_mmap.h machine type. 80 #endif 81 82 /* 83 * Ensure the linux_sys_mmap syscall appears to exist: 84 */ 85 struct linux_sys_mmap_args { 86 syscallarg(unsigned long) addr; 87 syscallarg(size_t) len; 88 syscallarg(int) prot; 89 syscallarg(int) flags; 90 syscallarg(int) fd; 91 syscallarg(linux_off_t) offset; 92 }; 93 94 /* 95 * Same arguments, but different meaning for "offset". 96 * See linux_misc.c:linux_sys_mmap2(). 97 */ 98 #define linux_sys_mmap2_args linux_sys_mmap_args 99 100 #ifdef _KERNEL 101 __BEGIN_DECLS 102 int linux_sys_mmap __P((struct lwp *p, void *v, register_t *retval)); 103 int linux_sys_mmap2 __P((struct lwp *p, void *v, register_t *retval)); 104 __END_DECLS 105 #endif /* !_KERNEL */ 106 107 #endif /* !_LINUX_MMAP_H */ 108