xref: /netbsd-src/sys/compat/linux32/common/linux32_mman.c (revision b7ae68fde0d8ef1c03714e8bbb1ee7c6118ea93b)
1 /*	$NetBSD: linux32_mman.c,v 1.2 2006/09/13 19:55:49 manu 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 1.2 2006/09/13 19:55:49 manu 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/sa.h>
47 #include <sys/proc.h>
48 #include <sys/ucred.h>
49 #include <sys/swap.h>
50 
51 #include <machine/types.h>
52 
53 #include <sys/syscallargs.h>
54 
55 #include <compat/netbsd32/netbsd32.h>
56 #include <compat/netbsd32/netbsd32_conv.h>
57 #include <compat/netbsd32/netbsd32_syscallargs.h>
58 
59 #include <compat/linux/common/linux_types.h>
60 #include <compat/linux/common/linux_signal.h>
61 #include <compat/linux/common/linux_machdep.h>
62 #include <compat/linux/common/linux_misc.h>
63 #include <compat/linux/common/linux_oldolduname.h>
64 #include <compat/linux/linux_syscallargs.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(l, v, retval)
75 	struct lwp *l;
76 	void *v;
77 	register_t *retval;
78 {
79 	struct linux32_sys_old_mmap_args /* {
80 		syscallarg(linux32_oldmmapp) lmp;
81 	} */ *uap = v;
82 	struct linux_sys_old_mmap_args ua;
83 
84 	NETBSD32TOP_UAP(lmp, struct linux_oldmmap);
85 	return linux_sys_old_mmap(l, &ua, retval);
86 
87 	return 0;
88 }
89 
90 int
91 linux32_sys_mprotect(l, v, retval)
92 	struct lwp *l;
93 	void *v;
94 	register_t *retval;
95 {
96 	struct linux32_sys_mprotect_args /* {
97 		syscallarg(netbsd32_voidp) addr;
98 		syscallarg(netbsd32_long) len;
99 		syscallarg(int) prot;
100 	} */ *uap = v;
101 	struct sys_mprotect_args ua;
102 
103 	NETBSD32TOP_UAP(addr, void);
104 	NETBSD32TOX_UAP(len, long);
105 	NETBSD32TO64_UAP(prot);
106 	return (linux_sys_mprotect(l, &ua, retval));
107 }
108 
109 int
110 linux32_sys_mremap(l, v, retval)
111 	struct lwp *l;
112 	void *v;
113 	register_t *retval;
114 {
115 	struct linux32_sys_mremap_args /* {
116 		syscallarg(netbsd32_voidp) old_address;
117 		syscallarg(netbsd32_size_t) old_size;
118 		syscallarg(netbsd32_size_t) new_size;
119 		syscallarg(netbsd32_u_long) flags;
120 	} */ *uap = v;
121 	struct linux_sys_mremap_args ua;
122 
123 	NETBSD32TOP_UAP(old_address, void);
124 	NETBSD32TOX_UAP(old_size, size_t);
125 	NETBSD32TOX_UAP(new_size, size_t);
126 	NETBSD32TOX_UAP(flags, u_long);
127 
128 	return linux_sys_mremap(l, &ua, retval);
129 }
130 
131 int
132 linux32_sys_mmap2(l, v, retval)
133 	struct lwp *l;
134 	void *v;
135 	register_t *retval;
136 {
137 	struct linux32_sys_mmap2_args /* {
138 		syscallarg(netbsd32_u_long) addr;
139 		syscallarg(netbsd32_size_t) len;
140 		syscallarg(int) prot;
141 		syscallarg(int) flags;
142 		syscallarg(int) fd;
143 		syscallarg(linux32_off_t) offset;
144 	} */ *uap = v;
145 	struct linux_sys_mmap2_args ua;
146 
147 	NETBSD32TOX64_UAP(addr, u_long);
148 	NETBSD32TOX64_UAP(len, size_t);
149 	NETBSD32TO64_UAP(prot);
150 	NETBSD32TO64_UAP(flags);
151 	NETBSD32TO64_UAP(fd);
152 	NETBSD32TOX64_UAP(offset, linux_off_t);
153 
154 	return linux_sys_mmap2(l, &ua, retval);
155 }
156