1 /*	$NetBSD: linux32_mman.c,v 1.8 2008/11/19 18:36:04 ad 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 1.8 2008/11/19 18:36:04 ad 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
linux32_sys_old_mmap(struct lwp * l,const struct linux32_sys_old_mmap_args * uap,register_t * retval)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 	NETBSD32TOP_UAP(lmp, struct linux_oldmmap);
84 	return linux_sys_old_mmap(l, &ua, retval);
85 }
86 
87 int
linux32_sys_mprotect(struct lwp * l,const struct linux32_sys_mprotect_args * uap,register_t * retval)88 linux32_sys_mprotect(struct lwp *l, const struct linux32_sys_mprotect_args *uap, register_t *retval)
89 {
90 	/* {
91 		syscallarg(netbsd32_voidp) start;
92 		syscallarg(netbsd32_long) len;
93 		syscallarg(int) prot;
94 	} */
95 	struct linux_sys_mprotect_args ua;
96 
97 	NETBSD32TOP_UAP(start, void);
98 	NETBSD32TOX_UAP(len, long);
99 	NETBSD32TO64_UAP(prot);
100 	return (linux_sys_mprotect(l, &ua, retval));
101 }
102 
103 int
linux32_sys_mremap(struct lwp * l,const struct linux32_sys_mremap_args * uap,register_t * retval)104 linux32_sys_mremap(struct lwp *l, const struct linux32_sys_mremap_args *uap, register_t *retval)
105 {
106 	/* {
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 	} */
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
linux32_sys_mmap2(struct lwp * l,const struct linux32_sys_mmap2_args * uap,register_t * retval)123 linux32_sys_mmap2(struct lwp *l, const struct linux32_sys_mmap2_args *uap, register_t *retval)
124 {
125 	/* {
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 	} */
133 	struct linux_sys_mmap_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