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Differential D11025 Diff 29498 sys/compat/freebsd32/freebsd32_misc.c

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sys/compat/freebsd32/freebsd32_misc.c

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CTASSERT(sizeof(struct timespec32) == 8); CTASSERT(sizeof(struct timespec32) == 8);
CTASSERT(sizeof(struct itimerval32) == 16); CTASSERT(sizeof(struct itimerval32) == 16);
#endif #endif
CTASSERT(sizeof(struct statfs32) == 256); CTASSERT(sizeof(struct statfs32) == 256);
#ifndef __mips__ #ifndef __mips__
CTASSERT(sizeof(struct rusage32) == 72); CTASSERT(sizeof(struct rusage32) == 72);
#endif #endif
CTASSERT(sizeof(struct sigaltstack32) == 12); CTASSERT(sizeof(struct sigaltstack32) == 12);
CTASSERT(sizeof(struct kevent32) == 20); CTASSERT(sizeof(struct kevent32) == 56);
CTASSERT(sizeof(struct iovec32) == 8); CTASSERT(sizeof(struct iovec32) == 8);
CTASSERT(sizeof(struct msghdr32) == 28); CTASSERT(sizeof(struct msghdr32) == 28);
#ifdef __amd64__ #ifdef __amd64__
CTASSERT(sizeof(struct stat32) == 208); CTASSERT(sizeof(struct stat32) == 208);
#endif #endif
#ifndef __mips__ #ifndef __mips__
CTASSERT(sizeof(struct freebsd11_stat32) == 96); CTASSERT(sizeof(struct freebsd11_stat32) == 96);
#endif #endif
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/* /*
* Copy 'count' items into the destination list pointed to by uap->eventlist. * Copy 'count' items into the destination list pointed to by uap->eventlist.
*/ */
static int static int
freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
{ {
struct freebsd32_kevent_args *uap; struct freebsd32_kevent_args *uap;
struct kevent32 ks32[KQ_NEVENTS]; struct kevent32 ks32[KQ_NEVENTS];
int i, error = 0; uint64_t e;
int i, j, error;
KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
uap = (struct freebsd32_kevent_args *)arg; uap = (struct freebsd32_kevent_args *)arg;
for (i = 0; i < count; i++) { for (i = 0; i < count; i++) {
CP(kevp[i], ks32[i], ident); CP(kevp[i], ks32[i], ident);
CP(kevp[i], ks32[i], filter); CP(kevp[i], ks32[i], filter);
CP(kevp[i], ks32[i], flags); CP(kevp[i], ks32[i], flags);
CP(kevp[i], ks32[i], fflags); CP(kevp[i], ks32[i], fflags);
CP(kevp[i], ks32[i], data); bcopy(&kevp[i].data, &ks32[i].data1, sizeof(uint64_t));
PTROUT_CP(kevp[i], ks32[i], udata); PTROUT_CP(kevp[i], ks32[i], udata);
for (j = 0; j < nitems(kevp->ext); j++) {
e = kevp[i].ext[j];
#if BYTE_ORDER == LITTLE_ENDIAN
ks32[i].ext64[2 * j] = e;
ks32[i].ext64[2 * j + 1] = e >> 32;
#else
ks32[i].ext64[2 * j] = e >> 32;
ks32[i].ext64[2 * j + 1] = e;
#endif
} }
}
error = copyout(ks32, uap->eventlist, count * sizeof *ks32); error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
if (error == 0) if (error == 0)
uap->eventlist += count; uap->eventlist += count;
return (error); return (error);
} }
/* /*
* Copy 'count' items from the list pointed to by uap->changelist. * Copy 'count' items from the list pointed to by uap->changelist.
*/ */
static int static int
freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
{ {
struct freebsd32_kevent_args *uap; struct freebsd32_kevent_args *uap;
struct kevent32 ks32[KQ_NEVENTS]; struct kevent32 ks32[KQ_NEVENTS];
int i, error = 0; uint64_t e;
int i, j, error;
KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
uap = (struct freebsd32_kevent_args *)arg; uap = (struct freebsd32_kevent_args *)arg;
error = copyin(uap->changelist, ks32, count * sizeof *ks32); error = copyin(uap->changelist, ks32, count * sizeof *ks32);
if (error) if (error)
goto done; goto done;
uap->changelist += count; uap->changelist += count;
for (i = 0; i < count; i++) { for (i = 0; i < count; i++) {
CP(ks32[i], kevp[i], ident); CP(ks32[i], kevp[i], ident);
CP(ks32[i], kevp[i], filter); CP(ks32[i], kevp[i], filter);
CP(ks32[i], kevp[i], flags); CP(ks32[i], kevp[i], flags);
CP(ks32[i], kevp[i], fflags); CP(ks32[i], kevp[i], fflags);
CP(ks32[i], kevp[i], data); kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data);
PTRIN_CP(ks32[i], kevp[i], udata); PTRIN_CP(ks32[i], kevp[i], udata);
for (j = 0; j < nitems(kevp->ext); j++) {
#if BYTE_ORDER == LITTLE_ENDIAN
e = ks32[i].ext64[2 * j + 1];
e <<= 32;
e += ks32[i].ext64[2 * j];
#else
e = ks32[i].ext64[2 * j];
e <<= 32;
e += ks32[i].ext64[2 * j + 1];
#endif
kevp[i].ext[j] = e;
} }
}
done: done:
return (error); return (error);
} }
int int
freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
{ {
struct timespec32 ts32; struct timespec32 ts32;
struct timespec ts, *tsp; struct timespec ts, *tsp;
struct kevent_copyops k_ops = { struct kevent_copyops k_ops = {
.arg = uap, .arg = uap,
.k_copyout = freebsd32_kevent_copyout, .k_copyout = freebsd32_kevent_copyout,
.k_copyin = freebsd32_kevent_copyin, .k_copyin = freebsd32_kevent_copyin,
}; };
int error; int error;
if (uap->timeout) {
error = copyin(uap->timeout, &ts32, sizeof(ts32));
if (error)
return (error);
CP(ts32, ts, tv_sec);
CP(ts32, ts, tv_nsec);
tsp = &ts;
} else
tsp = NULL;
error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
&k_ops, tsp);
return (error);
}
#ifdef COMPAT_FREEBSD11
struct kevent32_freebsd11 {
u_int32_t ident; /* identifier for this event */
short filter; /* filter for event */
u_short flags;
u_int fflags;
int32_t data;
u_int32_t udata; /* opaque user data identifier */
};
static int
freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count)
{
struct freebsd11_freebsd32_kevent_args *uap;
struct kevent32_freebsd11 ks32[KQ_NEVENTS];
int i, error;
KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
uap = (struct freebsd11_freebsd32_kevent_args *)arg;
for (i = 0; i < count; i++) {
CP(kevp[i], ks32[i], ident);
CP(kevp[i], ks32[i], filter);
CP(kevp[i], ks32[i], flags);
CP(kevp[i], ks32[i], fflags);
CP(kevp[i], ks32[i], data);
PTROUT_CP(kevp[i], ks32[i], udata);
}
error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
if (error == 0)
uap->eventlist += count;
return (error);
}
/*
* Copy 'count' items from the list pointed to by uap->changelist.
*/
static int
freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count)
{
struct freebsd11_freebsd32_kevent_args *uap;
struct kevent32_freebsd11 ks32[KQ_NEVENTS];
int i, j, error;
KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
uap = (struct freebsd11_freebsd32_kevent_args *)arg;
error = copyin(uap->changelist, ks32, count * sizeof *ks32);
if (error)
goto done;
uap->changelist += count;
for (i = 0; i < count; i++) {
CP(ks32[i], kevp[i], ident);
CP(ks32[i], kevp[i], filter);
CP(ks32[i], kevp[i], flags);
CP(ks32[i], kevp[i], fflags);
CP(ks32[i], kevp[i], data);
PTRIN_CP(ks32[i], kevp[i], udata);
for (j = 0; j < nitems(kevp->ext); j++)
kevp[i].ext[j] = 0;
}
done:
return (error);
}
int
freebsd11_freebsd32_kevent(struct thread *td,
struct freebsd11_freebsd32_kevent_args *uap)
{
struct timespec32 ts32;
struct timespec ts, *tsp;
struct kevent_copyops k_ops = {
.arg = uap,
.k_copyout = freebsd32_kevent11_copyout,
.k_copyin = freebsd32_kevent11_copyin,
};
int error;
if (uap->timeout) { if (uap->timeout) {
error = copyin(uap->timeout, &ts32, sizeof(ts32)); error = copyin(uap->timeout, &ts32, sizeof(ts32));
if (error) if (error)
return (error); return (error);
CP(ts32, ts, tv_sec); CP(ts32, ts, tv_sec);
CP(ts32, ts, tv_nsec); CP(ts32, ts, tv_nsec);
tsp = &ts; tsp = &ts;
} else } else
tsp = NULL; tsp = NULL;
error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
&k_ops, tsp); &k_ops, tsp);
return (error); return (error);
} }
#endif
int int
freebsd32_gettimeofday(struct thread *td, freebsd32_gettimeofday(struct thread *td,
struct freebsd32_gettimeofday_args *uap) struct freebsd32_gettimeofday_args *uap)
{ {
struct timeval atv; struct timeval atv;
struct timeval32 atv32; struct timeval32 atv32;
struct timezone rtz; struct timezone rtz;
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