1 /* $NetBSD: linux32_mman.c,v 1.9 2026/09/20 13:43:51 riastradh 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 1.9 2026/09/20 13:43:51 riastradh 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/common/linux_ipc.h> 64 #include <compat/linux/common/linux_sem.h> 65 #include <compat/linux/linux_syscallargs.h> 66 #include <compat/linux/common/linux_mmap.h> 67 68 #include <compat/linux32/common/linux32_types.h> 69 #include <compat/linux32/common/linux32_signal.h> 70 #include <compat/linux32/common/linux32_machdep.h> 71 #include <compat/linux32/common/linux32_sysctl.h> 72 #include <compat/linux32/common/linux32_socketcall.h> 73 #include <compat/linux32/linux32_syscallargs.h> 74 75 int 76 linux32_sys_old_mmap(struct lwp *l, const struct linux32_sys_old_mmap_args *uap, register_t *retval) 77 { 78 /* { 79 syscallarg(linux32_oldmmapp) lmp; 80 } */ 81 struct linux_sys_old_mmap_args ua; 82 83 memset(&ua, 0, sizeof(ua)); 84 NETBSD32TOP_UAP(lmp, struct linux_oldmmap); 85 return linux_sys_old_mmap(l, &ua, retval); 86 } 87 88 int 89 linux32_sys_mprotect(struct lwp *l, const struct linux32_sys_mprotect_args *uap, register_t *retval) 90 { 91 /* { 92 syscallarg(netbsd32_voidp) start; 93 syscallarg(netbsd32_long) len; 94 syscallarg(int) prot; 95 } */ 96 struct linux_sys_mprotect_args ua; 97 98 memset(&ua, 0, sizeof(ua)); 99 NETBSD32TOP_UAP(start, void); 100 NETBSD32TOX_UAP(len, long); 101 NETBSD32TO64_UAP(prot); 102 return (linux_sys_mprotect(l, &ua, retval)); 103 } 104 105 int 106 linux32_sys_mremap(struct lwp *l, const struct linux32_sys_mremap_args *uap, register_t *retval) 107 { 108 /* { 109 syscallarg(netbsd32_voidp) old_address; 110 syscallarg(netbsd32_size_t) old_size; 111 syscallarg(netbsd32_size_t) new_size; 112 syscallarg(netbsd32_u_long) flags; 113 } */ 114 struct linux_sys_mremap_args ua; 115 116 memset(&ua, 0, sizeof(ua)); 117 NETBSD32TOP_UAP(old_address, void); 118 NETBSD32TOX_UAP(old_size, size_t); 119 NETBSD32TOX_UAP(new_size, size_t); 120 NETBSD32TOX_UAP(flags, u_long); 121 122 return linux_sys_mremap(l, &ua, retval); 123 } 124 125 int 126 linux32_sys_mmap2(struct lwp *l, const struct linux32_sys_mmap2_args *uap, register_t *retval) 127 { 128 /* { 129 syscallarg(netbsd32_u_long) addr; 130 syscallarg(netbsd32_size_t) len; 131 syscallarg(int) prot; 132 syscallarg(int) flags; 133 syscallarg(int) fd; 134 syscallarg(linux32_off_t) offset; 135 } */ 136 struct linux_sys_mmap_args ua; 137 138 memset(&ua, 0, sizeof(ua)); 139 NETBSD32TOX64_UAP(addr, u_long); 140 NETBSD32TOX64_UAP(len, size_t); 141 NETBSD32TO64_UAP(prot); 142 NETBSD32TO64_UAP(flags); 143 NETBSD32TO64_UAP(fd); 144 NETBSD32TOX64_UAP(offset, linux_off_t); 145 146 return linux_sys_mmap2(l, &ua, retval); 147 } 148
Indexes created Sun Oct 25 00:26:45 UTC 2026