NetBSD/sys/compat/sparc32/sparc32_compat_43.c

/*	$NetBSD: sparc32_compat_43.c,v 1.2 1998/08/26 13:38:21 mrg Exp $	*/

/*
 * Copyright (c) 1998 Matthew R. Green
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/fcntl.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/syscallargs.h>
#include <sys/time.h>
#include <sys/ucred.h>
#include <vm/vm.h>	/* XXX for <sys/sysctl.h> */
#include <sys/sysctl.h>

#include <compat/sparc32/sparc32.h>
#include <compat/sparc32/sparc32_syscallargs.h>

#include <vm/vm_swap.h>

static void
sparc32_from_stat43(sp43, sp32)
	struct stat43 *sp43;
	struct sparc32_stat43 *sp32;
{

	sp32->st_dev = sp43->st_dev;
	sp32->st_ino = sp43->st_ino;
	sp32->st_mode = sp43->st_mode;
	sp32->st_nlink = sp43->st_nlink;
	sp32->st_uid = sp43->st_uid;
	sp32->st_gid = sp43->st_gid;
	sp32->st_rdev = sp43->st_rdev;
	sp32->st_size = sp43->st_size;
	sp32->st_atimespec.tv_sec = sp43->st_atimespec.tv_sec;
	sp32->st_atimespec.tv_nsec = sp43->st_atimespec.tv_nsec;
	sp32->st_mtimespec.tv_sec = sp43->st_mtimespec.tv_sec;
	sp32->st_mtimespec.tv_nsec = sp43->st_mtimespec.tv_nsec;
	sp32->st_ctimespec.tv_sec = sp43->st_ctimespec.tv_sec;
	sp32->st_ctimespec.tv_nsec = sp43->st_ctimespec.tv_nsec;
	sp32->st_blksize = sp43->st_blksize;
	sp32->st_blocks = sp43->st_blocks;
	sp32->st_flags = sp43->st_flags;
	sp32->st_gen = sp43->st_gen;
}

/* file system syscalls */
int
compat_43_compat_sparc32_ocreat(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ocreat_args /* {
		syscallarg(const sparc32_charp) path;
		syscallarg(mode_t) mode;
	} */ *uap = v;
	struct sys_open_args  ua;
	caddr_t sg;

	SPARC32TOP_UAP(path, const char);
	SPARC32TO64_UAP(mode);
	SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC;
	sg = stackgap_init(p->p_emul);
	SPARC32_CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));

	return (sys_open(p, &ua, retval));
}

int
compat_43_compat_sparc32_olseek(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_olseek_args /* {
		syscallarg(int) fd;
		syscallarg(sparc32_long) offset;
		syscallarg(int) whence;
	} */ *uap = v;
	struct sys_lseek_args ua;
	int rv;
	off_t rt;

	SCARG(&ua, fd) = SCARG(uap, fd);
	SPARC32TOX_UAP(offset, long);
	SPARC32TO64_UAP(whence);
	rv = sys_lseek(p, &ua, (register_t *)&rt);
	*(sparc32_long *)retval = rt;

	return (rv);
}

int
compat_43_compat_sparc32_stat43(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_stat43_args /* {
		syscallarg(const sparc32_charp) path;
		syscallarg(sparc32_stat43p_t) ub;
	} */ *uap = v;
	struct sparc32_stat43 *sp32;
	struct stat43 sb43;
	struct stat43 *sp43 = &sb43;
	struct compat_43_sys_stat_args ua;
	caddr_t sg;
	int rv;

	SPARC32TOP_UAP(path, const char);
	SCARG(&ua, ub) = &sb43;
	sg = stackgap_init(p->p_emul);
	SPARC32_CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));

	rv = compat_43_sys_stat(p, &ua, retval);

	sp32 = (struct sparc32_stat43 *)(u_long)SCARG(uap, ub);
	sparc32_from_stat43(sp43, sp32);

	return (rv);
}

int
compat_43_compat_sparc32_lstat43(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_lstat43_args /* {
		syscallarg(const sparc32_charp) path;
		syscallarg(sparc32_stat43p_t) ub;
	} */ *uap = v;
	struct sparc32_stat43 *sp32;
	struct stat43 sb43;
	struct stat43 *sp43 = &sb43;
	struct compat_43_sys_lstat_args ua;
	caddr_t sg;
	int rv;

	SPARC32TOP_UAP(path, const char);
	SCARG(&ua, ub) = &sb43;
	sg = stackgap_init(p->p_emul);
	SPARC32_CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path));

	rv = compat_43_sys_stat(p, &ua, retval);

	sp32 = (struct sparc32_stat43 *)(u_long)SCARG(uap, ub);
	sparc32_from_stat43(sp43, sp32);

	return (rv);
}

int
compat_43_compat_sparc32_fstat43(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_fstat43_args /* {
		syscallarg(int) fd;
		syscallarg(sparc32_stat43p_t) sb;
	} */ *uap = v;
	struct sparc32_stat43 *sp32;
	struct stat43 sb43;
	struct stat43 *sp43 = &sb43;
	struct compat_43_sys_fstat_args ua;
	int rv;

	SPARC32TO64_UAP(fd);
	SCARG(&ua, sb) = &sb43;
	rv = compat_43_sys_fstat(p, &ua, retval);

	sp32 = (struct sparc32_stat43 *)(u_long)SCARG(uap, sb);
	sparc32_from_stat43(sp43, sp32);

	return (rv);
}

int
compat_43_compat_sparc32_otruncate(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_otruncate_args /* {
		syscallarg(const sparc32_charp) path;
		syscallarg(sparc32_long) length;
	} */ *uap = v;
	struct sys_truncate_args ua;

	SPARC32TOP_UAP(path, const char);
	SPARC32TO64_UAP(length);
	return (sys_ftruncate(p, &ua, retval));
}

int
compat_43_compat_sparc32_oftruncate(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_oftruncate_args /* {
		syscallarg(int) fd;
		syscallarg(sparc32_long) length;
	} */ *uap = v;
	struct sys_ftruncate_args ua;

	SPARC32TO64_UAP(fd);
	SPARC32TO64_UAP(length);
	return (sys_ftruncate(p, &ua, retval));
}

int
compat_43_compat_sparc32_ogetdirentries(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ogetdirentries_args /* {
		syscallarg(int) fd;
		syscallarg(sparc32_charp) buf;
		syscallarg(u_int) count;
		syscallarg(sparc32_longp) basep;
	} */ *uap = v;
	struct compat_43_sys_getdirentries_args ua;

	SPARC32TO64_UAP(fd);
	SPARC32TOP_UAP(buf, char);
	SPARC32TO64_UAP(count);
	SPARC32TOP_UAP(basep, long);
	return (compat_43_sys_getdirentries(p, &ua, retval));
}

/* kernel syscalls */
int
compat_43_compat_sparc32_ogetkerninfo(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ogetkerninfo_args /* {
		syscallarg(int) op;
		syscallarg(sparc32_charp) where;
		syscallarg(sparc32_intp) size;
		syscallarg(int) arg;
	} */ *uap = v;
	struct compat_43_sys_getkerninfo_args ua;

	SPARC32TO64_UAP(op);
	SPARC32TOP_UAP(where, char);
	SPARC32TOP_UAP(size, int);
	SPARC32TO64_UAP(arg);
	return (compat_43_sys_getkerninfo(p, &ua, retval));
}

int
compat_43_compat_sparc32_ogethostname(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ogethostname_args /* {
		syscallarg(sparc32_charp) hostname;
		syscallarg(u_int) len;
	} */ *uap = v;
	int name;
	size_t sz;

	name = KERN_HOSTNAME;
	sz = SCARG(uap, len);
	return (kern_sysctl(&name, 1, (char *)(u_long)SCARG(uap, hostname),
	    &sz, 0, 0, p));
}

int
compat_43_compat_sparc32_osethostname(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_osethostname_args /* {
		syscallarg(sparc32_charp) hostname;
		syscallarg(u_int) len;
	} */ *uap = v;
	int name;
	int error;

	if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
		return (error);
	name = KERN_HOSTNAME;
	return (kern_sysctl(&name, 1, 0, 0, (char *)(u_long)SCARG(uap,
	    hostname), SCARG(uap, len), p));
}

int
compat_43_compat_sparc32_ogetrlimit(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ogetrlimit_args /* {
		syscallarg(int) which;
		syscallarg(sparc32_orlimitp_t) rlp;
	} */ *uap = v;
	struct compat_43_sys_getrlimit_args ua;

	SPARC32TO64_UAP(which);
	SPARC32TOP_UAP(rlp, struct orlimit);
	return (compat_43_sys_getrlimit(p, &ua, retval));
}

int
compat_43_compat_sparc32_osetrlimit(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_osetrlimit_args /* {
		syscallarg(int) which;
		syscallarg(const sparc32_orlimitp_t) rlp;
	} */ *uap = v;
	struct compat_43_sys_setrlimit_args ua;

	SPARC32TO64_UAP(which);
	SPARC32TOP_UAP(rlp, struct orlimit);
	return (compat_43_sys_setrlimit(p, &ua, retval));
}

/* virtual memory syscalls */
int
compat_43_compat_sparc32_ommap(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ommap_args /* {
		syscallarg(sparc32_caddr_t) addr;
		syscallarg(sparc32_size_t) len;
		syscallarg(int) prot;
		syscallarg(int) flags;
		syscallarg(int) fd;
		syscallarg(sparc32_long) pos;
	} */ *uap = v;
	struct compat_43_sys_mmap_args ua;

	SPARC32TOX64_UAP(addr, caddr_t);
	SPARC32TOX_UAP(len, size_t);
	SPARC32TO64_UAP(prot);
	SPARC32TO64_UAP(flags);
	SPARC32TO64_UAP(fd);
	SPARC32TOX_UAP(pos, long);
	return (compat_43_sys_mmap(p, &ua, retval));
}

/* network syscalls */
int
compat_43_compat_sparc32_oaccept(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_oaccept_args /* {
		syscallarg(int) s;
		syscallarg(sparc32_caddr_t) name;
		syscallarg(sparc32_intp) anamelen;
	} */ *uap = v;
	struct compat_43_sys_accept_args ua;

	SPARC32TOX_UAP(s, int);
	SPARC32TOX64_UAP(name, caddr_t);
	SPARC32TOP_UAP(anamelen, int);
	return (compat_43_sys_accept(p, &ua, retval));
}

int
compat_43_compat_sparc32_osend(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_osend_args /* {
		syscallarg(int) s;
		syscallarg(sparc32_caddr_t) buf;
		syscallarg(int) len;
		syscallarg(int) flags;
	} */ *uap = v;
	struct compat_43_sys_send_args ua;

	SPARC32TO64_UAP(s);
	SPARC32TOX64_UAP(buf, caddr_t);
	SPARC32TO64_UAP(len);
	SPARC32TO64_UAP(flags);
	return (compat_43_sys_send(p, &ua, retval));
}

int
compat_43_compat_sparc32_orecv(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_orecv_args /* {
		syscallarg(int) s;
		syscallarg(sparc32_caddr_t) buf;
		syscallarg(int) len;
		syscallarg(int) flags;
	} */ *uap = v;
	struct compat_43_sys_recv_args ua;

	SPARC32TO64_UAP(s);
	SPARC32TOX64_UAP(buf, caddr_t);
	SPARC32TO64_UAP(len);
	SPARC32TO64_UAP(flags);
	return (compat_43_sys_recv(p, &ua, retval));
}

/*
 * XXX convert these to use a common iovec code to the native
 * netbsd call.
 */
int
compat_43_compat_sparc32_orecvmsg(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_orecvmsg_args /* {
		syscallarg(int) s;
		syscallarg(sparc32_omsghdrp_t) msg;
		syscallarg(int) flags;
	} */ *uap = v;
	struct compat_43_sys_recvmsg_args ua;
	struct omsghdr omh;
	struct omsghdr *omhp = &omh;
	struct sparc32_omsghdr *omhp32;
	struct iovec *iovec43p;
	struct sparc32_iovec *iovec32p;
	int i;

	SPARC32TO64_UAP(s);
	SPARC32TO64_UAP(flags);

	SCARG(&ua, msg) = omhp;
	omhp32 = (struct sparc32_omsghdr *)(u_long)SCARG(uap, msg);
	omhp->msg_name = (caddr_t)(u_long)omhp32->msg_name;
	omhp->msg_namelen = omhp32->msg_namelen;
	omhp->msg_iovlen = (size_t)omhp32->msg_iovlen;
	MALLOC(omhp->msg_iov, struct iovec *, sizeof(struct iovec) * omhp->msg_iovlen, M_TEMP, M_WAITOK);
	iovec43p = omhp->msg_iov;
	iovec32p = (struct sparc32_iovec *)(u_long)omhp32->msg_iov;
	for (i = 0; i < omhp->msg_iovlen; i++, iovec43p++, iovec32p++) {
		iovec43p->iov_base = (struct iovec *)(u_long)iovec32p->iov_base;
		iovec43p->iov_len = (size_t)iovec32p->iov_len;
	}

	omhp->msg_accrights = (caddr_t)(u_long)omhp32->msg_accrights;
	omhp->msg_accrightslen = omhp32->msg_accrightslen;

	return (compat_43_sys_recvmsg(p, &ua, retval));
}

int
compat_43_compat_sparc32_osendmsg(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_osendmsg_args /* {
		syscallarg(int) s;
		syscallarg(sparc32_caddr_t) msg;
		syscallarg(int) flags;
	} */ *uap = v;
	struct compat_43_sys_sendmsg_args ua;
	struct omsghdr omh;
	struct omsghdr *omhp = &omh;
	struct sparc32_omsghdr *omhp32;
	struct iovec *iovec43p;
	struct sparc32_iovec *iovec32p;
	int i;

	SPARC32TO64_UAP(s);
	SPARC32TO64_UAP(flags);

	SCARG(&ua, msg) = (caddr_t)(u_long)omhp;
	omhp32 = (struct sparc32_omsghdr *)(u_long)SCARG(uap, msg);
	omhp->msg_name = (caddr_t)(u_long)omhp32->msg_name;
	omhp->msg_namelen = omhp32->msg_namelen;
	omhp->msg_iovlen = (size_t)omhp32->msg_iovlen;
	MALLOC(omhp->msg_iov, struct iovec *, sizeof(struct iovec) * omhp->msg_iovlen, M_TEMP, M_WAITOK);
	iovec43p = omhp->msg_iov;
	iovec32p = (struct sparc32_iovec *)(u_long)omhp32->msg_iov;
	for (i = 0; i < omhp->msg_iovlen; i++, iovec43p++, iovec32p++) {
		iovec43p->iov_base = (void *)(u_long)iovec32p->iov_base;
		iovec43p->iov_len = (size_t)iovec32p->iov_len;
	}

	omhp->msg_accrights = (caddr_t)(u_long)omhp32->msg_accrights;
	omhp->msg_accrightslen = omhp32->msg_accrightslen;

	return (compat_43_sys_sendmsg(p, &ua, retval));
}

int
compat_43_compat_sparc32_orecvfrom(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_orecvfrom_args /* {
		syscallarg(int) s;
		syscallarg(sparc32_caddr_t) buf;
		syscallarg(sparc32_size_t) len;
		syscallarg(int) flags;
		syscallarg(sparc32_caddr_t) from;
		syscallarg(sparc32_intp) fromlenaddr;
	} */ *uap = v;
	struct compat_43_sys_recvfrom_args ua;

	SPARC32TO64_UAP(s);
	SPARC32TOX64_UAP(buf, caddr_t);
	SPARC32TOX_UAP(len, size_t);
	SPARC32TO64_UAP(flags);
	SPARC32TOX64_UAP(from, caddr_t);
	SPARC32TOP_UAP(fromlenaddr, int);
	return (compat_43_sys_recvfrom(p, &ua, retval));
}

int
compat_43_compat_sparc32_ogetsockname(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ogetsockname_args /* {
		syscallarg(int) fdec;
		syscallarg(sparc32_caddr_t) asa;
		syscallarg(sparc32_intp) alen;
	} */ *uap = v;
	struct compat_43_sys_getsockname_args ua;

	SPARC32TO64_UAP(fdec);
	SPARC32TOX64_UAP(asa, caddr_t);
	SPARC32TOP_UAP(alen, int);
	return (compat_43_sys_getsockname(p, &ua, retval));
}

int
compat_43_compat_sparc32_ogetpeername(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_ogetpeername_args /* {
		syscallarg(int) fdes;
		syscallarg(sparc32_caddr_t) asa;
		syscallarg(sparc32_intp) alen;
	} */ *uap = v;
	struct compat_43_sys_getpeername_args ua;

	SPARC32TO64_UAP(fdes);
	SPARC32TOX64_UAP(asa, caddr_t);
	SPARC32TOP_UAP(alen, int);
	return (compat_43_sys_getpeername(p, &ua, retval));
}

/* signal syscalls */
int
compat_43_compat_sparc32_osigvec(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_osigvec_args /* {
		syscallarg(int) signum;
		syscallarg(sparc32_sigvecp_t) nsv;
		syscallarg(sparc32_sigvecp_t) osv;
	} */ *uap = v;
	struct compat_43_sys_sigvec_args ua;
	struct sparc32_sigvec *sv32p;
	struct sigvec nsv, osv;
	int rv;

	SPARC32TO64_UAP(signum);
	if (SCARG(uap, osv))
		SCARG(&ua, osv) = &osv;
	else
		SCARG(&ua, osv) = NULL;
	if (SCARG(uap, nsv)) {
		SCARG(&ua, nsv) = &nsv;
		sv32p = (struct sparc32_sigvec *)(u_long)SCARG(uap, nsv);
		nsv.sv_handler = (void *)(u_long)sv32p->sv_handler;
		nsv.sv_mask = sv32p->sv_mask;
		nsv.sv_flags = sv32p->sv_flags;
	} else
		SCARG(&ua, nsv) = NULL;
	rv = compat_43_sys_sigvec(p, &ua, retval);
	if (rv)
		return (rv);

	if (SCARG(uap, osv)) {
		sv32p = (struct sparc32_sigvec *)(u_long)SCARG(uap, osv);
		sv32p->sv_handler = (sparc32_sigvecp_t)(u_long)osv.sv_handler;
		sv32p->sv_mask = osv.sv_mask;
		sv32p->sv_flags = osv.sv_flags;
	}

	return (0);
}

int
compat_43_compat_sparc32_osigstack(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct compat_43_compat_sparc32_osigstack_args /* {
		syscallarg(sparc32_sigstackp_t) nss;
		syscallarg(sparc32_sigstackp_t) oss;
	} */ *uap = v;
	struct compat_43_sys_sigstack_args ua;
	struct sparc32_sigstack *ss32p;
	struct sigstack nss, oss;
	int rv;

	if (SCARG(uap, oss))
		SCARG(&ua, oss) = &oss;
	else
		SCARG(&ua, oss) = NULL;
	if (SCARG(uap, nss)) {
		SCARG(&ua, nss) = &nss;
		ss32p = (struct sparc32_sigstack *)(u_long)SCARG(uap, nss);
		nss.ss_sp = (void *)(u_long)ss32p->ss_sp;
		nss.ss_onstack = ss32p->ss_onstack;
	} else
		SCARG(&ua, nss) = NULL;

	rv = compat_43_sys_sigstack(p, &ua, retval);
	if (rv)
		return (rv);

	if (SCARG(uap, oss)) {
		ss32p = (struct sparc32_sigstack *)(u_long)SCARG(uap, oss);
		ss32p->ss_sp = (sparc32_sigstackp_t)(u_long)oss.ss_sp;
		ss32p->ss_onstack = oss.ss_onstack;
	}

	return (0);
}