1 /* $NetBSD: linux32_mman.c,v 1.5 2007/12/08 18:36:11 dsl 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 1.5 2007/12/08 18:36:11 dsl 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 65 #include <compat/linux32/common/linux32_types.h> 66 #include <compat/linux32/common/linux32_signal.h> 67 #include <compat/linux32/common/linux32_machdep.h> 68 #include <compat/linux32/common/linux32_sysctl.h> 69 #include <compat/linux32/common/linux32_socketcall.h> 70 #include <compat/linux32/linux32_syscallargs.h> 71 72 int 73 linux32_sys_old_mmap(struct lwp *l, void *v, register_t *retval) 74 { 75 struct linux32_sys_old_mmap_args /* { 76 syscallarg(linux32_oldmmapp) lmp; 77 } */ *uap = v; 78 struct linux_sys_old_mmap_args ua; 79 80 NETBSD32TOP_UAP(lmp, struct linux_oldmmap); 81 return linux_sys_old_mmap(l, &ua, retval); 82 } 83 84 int 85 linux32_sys_mprotect(l, v, retval) 86 struct lwp *l; 87 void *v; 88 register_t *retval; 89 { 90 struct linux32_sys_mprotect_args /* { 91 syscallarg(netbsd32_voidp) addr; 92 syscallarg(netbsd32_long) len; 93 syscallarg(int) prot; 94 } */ *uap = v; 95 struct sys_mprotect_args ua; 96 97 NETBSD32TOP_UAP(addr, void); 98 NETBSD32TOX_UAP(len, long); 99 NETBSD32TO64_UAP(prot); 100 return (linux_sys_mprotect(l, &ua, retval)); 101 } 102 103 int 104 linux32_sys_mremap(struct lwp *l, void *v, register_t *retval) 105 { 106 struct linux32_sys_mremap_args /* { 107 syscallarg(netbsd32_voidp) old_address; 108 syscallarg(netbsd32_size_t) old_size; 109 syscallarg(netbsd32_size_t) new_size; 110 syscallarg(netbsd32_u_long) flags; 111 } */ *uap = v; 112 struct linux_sys_mremap_args ua; 113 114 NETBSD32TOP_UAP(old_address, void); 115 NETBSD32TOX_UAP(old_size, size_t); 116 NETBSD32TOX_UAP(new_size, size_t); 117 NETBSD32TOX_UAP(flags, u_long); 118 119 return linux_sys_mremap(l, &ua, retval); 120 } 121 122 int 123 linux32_sys_mmap2(struct lwp *l, void *v, register_t *retval) 124 { 125 struct linux32_sys_mmap2_args /* { 126 syscallarg(netbsd32_u_long) addr; 127 syscallarg(netbsd32_size_t) len; 128 syscallarg(int) prot; 129 syscallarg(int) flags; 130 syscallarg(int) fd; 131 syscallarg(linux32_off_t) offset; 132 } */ *uap = v; 133 struct linux_sys_mmap2_args ua; 134 135 NETBSD32TOX64_UAP(addr, u_long); 136 NETBSD32TOX64_UAP(len, size_t); 137 NETBSD32TO64_UAP(prot); 138 NETBSD32TO64_UAP(flags); 139 NETBSD32TO64_UAP(fd); 140 NETBSD32TOX64_UAP(offset, linux_off_t); 141 142 return linux_sys_mmap2(l, &ua, retval); 143 } 144