1 /* $NetBSD: linux32_mman.c,v 1.7 2008/03/27 14:14:06 njoly Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Emmanuel Dreyfus 17 * 4. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 36 __KERNEL_RCSID(0, "$NetBSD: linux32_mman.c,v 1.7 2008/03/27 14:14:06 njoly Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/fstypes.h> 41 #include <sys/signal.h> 42 #include <sys/dirent.h> 43 #include <sys/kernel.h> 44 #include <sys/fcntl.h> 45 #include <sys/select.h> 46 #include <sys/proc.h> 47 #include <sys/ucred.h> 48 #include <sys/swap.h> 49 50 #include <machine/types.h> 51 52 #include <sys/syscallargs.h> 53 54 #include <compat/netbsd32/netbsd32.h> 55 #include <compat/netbsd32/netbsd32_conv.h> 56 #include <compat/netbsd32/netbsd32_syscallargs.h> 57 58 #include <compat/linux/common/linux_types.h> 59 #include <compat/linux/common/linux_signal.h> 60 #include <compat/linux/common/linux_machdep.h> 61 #include <compat/linux/common/linux_misc.h> 62 #include <compat/linux/common/linux_oldolduname.h> 63 #include <compat/linux/linux_syscallargs.h> 64 #include <compat/linux/common/linux_mmap.h> 65 66 #include <compat/linux32/common/linux32_types.h> 67 #include <compat/linux32/common/linux32_signal.h> 68 #include <compat/linux32/common/linux32_machdep.h> 69 #include <compat/linux32/common/linux32_sysctl.h> 70 #include <compat/linux32/common/linux32_socketcall.h> 71 #include <compat/linux32/linux32_syscallargs.h> 72 73 int 74 linux32_sys_old_mmap(struct lwp *l, const struct linux32_sys_old_mmap_args *uap, register_t *retval) 75 { 76 /* { 77 syscallarg(linux32_oldmmapp) lmp; 78 } */ 79 struct linux_sys_old_mmap_args ua; 80 81 NETBSD32TOP_UAP(lmp, struct linux_oldmmap); 82 return linux_sys_old_mmap(l, &ua, retval); 83 } 84 85 int 86 linux32_sys_mprotect(struct lwp *l, const struct linux32_sys_mprotect_args *uap, register_t *retval) 87 { 88 /* { 89 syscallarg(netbsd32_voidp) start; 90 syscallarg(netbsd32_long) len; 91 syscallarg(int) prot; 92 } */ 93 struct linux_sys_mprotect_args ua; 94 95 NETBSD32TOP_UAP(start, void); 96 NETBSD32TOX_UAP(len, long); 97 NETBSD32TO64_UAP(prot); 98 return (linux_sys_mprotect(l, &ua, retval)); 99 } 100 101 int 102 linux32_sys_mremap(struct lwp *l, const struct linux32_sys_mremap_args *uap, register_t *retval) 103 { 104 /* { 105 syscallarg(netbsd32_voidp) old_address; 106 syscallarg(netbsd32_size_t) old_size; 107 syscallarg(netbsd32_size_t) new_size; 108 syscallarg(netbsd32_u_long) flags; 109 } */ 110 struct linux_sys_mremap_args ua; 111 112 NETBSD32TOP_UAP(old_address, void); 113 NETBSD32TOX_UAP(old_size, size_t); 114 NETBSD32TOX_UAP(new_size, size_t); 115 NETBSD32TOX_UAP(flags, u_long); 116 117 return linux_sys_mremap(l, &ua, retval); 118 } 119 120 int 121 linux32_sys_mmap2(struct lwp *l, const struct linux32_sys_mmap2_args *uap, register_t *retval) 122 { 123 /* { 124 syscallarg(netbsd32_u_long) addr; 125 syscallarg(netbsd32_size_t) len; 126 syscallarg(int) prot; 127 syscallarg(int) flags; 128 syscallarg(int) fd; 129 syscallarg(linux32_off_t) offset; 130 } */ 131 struct linux_sys_mmap_args ua; 132 133 NETBSD32TOX64_UAP(addr, u_long); 134 NETBSD32TOX64_UAP(len, size_t); 135 NETBSD32TO64_UAP(prot); 136 NETBSD32TO64_UAP(flags); 137 NETBSD32TO64_UAP(fd); 138 NETBSD32TOX64_UAP(offset, linux_off_t); 139 140 return linux_sys_mmap2(l, &ua, retval); 141 } 142