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netbsd32_compat_12.c revision 1.1
      1 /*	$NetBSD: netbsd32_compat_12.c,v 1.1 1998/08/26 10:20:34 mrg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/mount.h>
     34 #include <sys/mman.h>
     35 #include <sys/proc.h>
     36 #include <sys/stat.h>
     37 #include <sys/syscallargs.h>
     38 
     39 #include <compat/sparc32/sparc32.h>
     40 #include <compat/sparc32/sparc32_syscallargs.h>
     41 
     42 #include <vm/vm_swap.h>
     43 
     44 /* for use with {,fl}stat() */
     45 static void
     46 compat_sparc32_stat12_to_sparc32(sp12, sp32)
     47 	struct stat12 *sp12;
     48 	struct sparc32_stat12 *sp32;
     49 {
     50 
     51 	sp32->st_dev = sp12->st_dev;
     52 	sp32->st_ino = sp12->st_ino;
     53 	sp32->st_mode = sp12->st_mode;
     54 	sp32->st_nlink = sp12->st_nlink;
     55 	sp32->st_uid = sp12->st_uid;
     56 	sp32->st_gid = sp12->st_gid;
     57 	sp32->st_rdev = sp12->st_rdev;
     58 	if (sp12->st_size < (quad_t)1 << 32)
     59 		sp32->st_size = sp12->st_size;
     60 	else
     61 		sp32->st_size = -2;
     62 	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
     63 	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
     64 	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
     65 	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
     66 	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
     67 	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
     68 	sp32->st_blocks = sp12->st_blocks;
     69 	sp32->st_blksize = sp12->st_blksize;
     70 	sp32->st_flags = sp12->st_flags;
     71 	sp32->st_gen = sp12->st_gen;
     72 }
     73 
     74 int
     75 compat_12_compat_sparc32_msync(p, v, retval)
     76 	struct proc *p;
     77 	void *v;
     78 	register_t *retval;
     79 {
     80 	struct compat_12_compat_sparc32_msync_args /* {
     81 		syscallarg(sparc32_caddr_t) addr;
     82 		syscallarg(sparc32_size_t) len;
     83 	} */ *uap = v;
     84 	struct sys___msync13_args ua;
     85 
     86 	SPARC32TOX64_UAP(addr, caddr_t);
     87 	SPARC32TOX_UAP(len, size_t);
     88 	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
     89 	return (sys___msync13(p, &ua, retval));
     90 }
     91 
     92 int
     93 compat_12_compat_sparc32_oswapon(p, v, retval)
     94 	struct proc *p;
     95 	void *v;
     96 	register_t *retval;
     97 {
     98 	struct compat_12_compat_sparc32_oswapon_args /* {
     99 		syscallarg(const sparc32_charp) name;
    100 	} */ *uap = v;
    101 	struct sys_swapctl_args ua;
    102 
    103 	SCARG(&ua, cmd) = SWAP_ON;
    104 	SCARG(&ua, arg) = (void *)(u_long)SCARG(uap, name);
    105 	SCARG(&ua, misc) = 0;	/* priority */
    106 	return (sys_swapctl(p, &ua, retval));
    107 }
    108 
    109 int
    110 compat_12_compat_sparc32_stat12(p, v, retval)
    111 	struct proc *p;
    112 	void *v;
    113 	register_t *retval;
    114 {
    115 	struct compat_12_compat_sparc32_stat12_args /* {
    116 		syscallarg(const sparc32_charp) path;
    117 		syscallarg(sparc32_stat12p_t) ub;
    118 	} */ *uap = v;
    119 	struct sparc32_stat12 *sp32;
    120 	struct stat12 sb12;
    121 	struct stat12 *sp12 = &sb12;
    122 	struct compat_12_sys_stat_args ua;
    123 	caddr_t sg;
    124 	int rv;
    125 
    126 	SPARC32TOP_UAP(path, const char);
    127 	SCARG(&ua, ub) = &sb12;
    128 	sg = stackgap_init(p->p_emul);
    129 	SPARC32_CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));
    130 
    131 	rv = compat_12_sys_stat(p, &ua, retval);
    132 
    133 	sp32 = (struct sparc32_stat12 *)(u_long)SCARG(uap, ub);
    134 	compat_sparc32_stat12_to_sparc32(sp12, sp32);
    135 
    136 	return (rv);
    137 }
    138 
    139 int
    140 compat_12_compat_sparc32_fstat12(p, v, retval)
    141 	struct proc *p;
    142 	void *v;
    143 	register_t *retval;
    144 {
    145 	struct compat_12_compat_sparc32_fstat12_args /* {
    146 		syscallarg(int) fd;
    147 		syscallarg(sparc32_stat12p_t) sb;
    148 	} */ *uap = v;
    149 	struct sparc32_stat12 *sp32;
    150 	struct stat12 sb12;
    151 	struct stat12 *sp12 = &sb12;
    152 	struct compat_12_sys_fstat_args ua;
    153 	int rv;
    154 
    155 	SPARC32TO64_UAP(fd);
    156 	SCARG(&ua, sb) = &sb12;
    157 	rv = compat_12_sys_fstat(p, &ua, retval);
    158 
    159 	sp32 = (struct sparc32_stat12 *)(u_long)SCARG(uap, sb);
    160 	compat_sparc32_stat12_to_sparc32(sp12, sp32);
    161 
    162 	return (rv);
    163 }
    164 
    165 int
    166 compat_12_compat_sparc32_lstat12(p, v, retval)
    167 	struct proc *p;
    168 	void *v;
    169 	register_t *retval;
    170 {
    171 	struct compat_12_compat_sparc32_lstat12_args /* {
    172 		syscallarg(const sparc32_charp) path;
    173 		syscallarg(sparc32_stat12p_t) ub;
    174 	} */ *uap = v;
    175 	struct sparc32_stat12 *sp32;
    176 	struct stat12 sb12;
    177 	struct stat12 *sp12 = &sb12;
    178 	struct compat_12_sys_lstat_args ua;
    179 	caddr_t sg;
    180 	int rv;
    181 
    182 	SPARC32TOP_UAP(path, const char);
    183 	SCARG(&ua, ub) = &sb12;
    184 	sg = stackgap_init(p->p_emul);
    185 	SPARC32_CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));
    186 
    187 	rv = compat_12_sys_lstat(p, &ua, retval);
    188 
    189 	sp32 = (struct sparc32_stat12 *)(u_long)SCARG(uap, ub);
    190 	compat_sparc32_stat12_to_sparc32(sp12, sp32);
    191 
    192 	return (rv);
    193 }
    194 
    195 int
    196 compat_12_compat_sparc32_getdirentries(p, v, retval)
    197 	struct proc *p;
    198 	void *v;
    199 	register_t *retval;
    200 {
    201 	struct compat_12_compat_sparc32_getdirentries_args /* {
    202 		syscallarg(int) fd;
    203 		syscallarg(sparc32_charp) buf;
    204 		syscallarg(u_int) count;
    205 		syscallarg(sparc32_longp) basep;
    206 	} */ *uap = v;
    207 	struct compat_12_sys_getdirentries_args ua;
    208 
    209 	SPARC32TO64_UAP(fd);
    210 	SPARC32TOP_UAP(buf, char);
    211 	SPARC32TO64_UAP(count);
    212 	SPARC32TOP_UAP(basep, long);
    213 
    214 	return (compat_12_sys_getdirentries(p, &ua, retval));
    215 }
    216