int
procfs_doprocfpregs(PFS_FILL_ARGS)
{
int error;
struct fpreg r;
struct thread *td2;
#ifdef COMPAT_FREEBSD32
struct fpreg32 r32;
int wrap32 = 0;
#endif
if (uio->uio_offset != 0)
return (0);
PROC_LOCK(p);
PROC_ASSERT_HELD(p);
if (p_candebug(td, p)) {
PROC_UNLOCK(p);
return (EPERM);
}
if (!P_SHOULDSTOP(p)) {
PROC_UNLOCK(p);
return (EBUSY);
}
td2 = FIRST_THREAD_IN_PROC(p);
#ifdef COMPAT_FREEBSD32
if (SV_CURPROC_FLAG(SV_ILP32)) {
if (SV_PROC_FLAG(td2->td_proc, SV_ILP32) == 0) {
PROC_UNLOCK(p);
return (EINVAL);
}
wrap32 = 1;
memset(&r32, 0, sizeof(r32));
} else
#endif
memset(&r, 0, sizeof(r));
error = PROC(read, fpregs, td2, &r);
if (error == 0) {
PROC_UNLOCK(p);
error = UIOMOVE_FROMBUF(r, uio);
PROC_LOCK(p);
}
if (error == 0 && uio->uio_rw == UIO_WRITE) {
if (!P_SHOULDSTOP(p))
error = EBUSY;
else
/* XXXKSE: */
error = PROC(write, fpregs, td2, &r);
}
PROC_UNLOCK(p);
return (error);
}
int
procfs_doprocdbregs(PFS_FILL_ARGS)
{
int error;
struct dbreg r;
struct thread *td2;
#ifdef COMPAT_FREEBSD32
struct dbreg32 r32;
int wrap32 = 0;
#endif
if (uio->uio_offset != 0)
return (0);
PROC_LOCK(p);
KASSERT(p->p_lock > 0, ("proc not held"));
if (p_candebug(td, p) != 0) {
PROC_UNLOCK(p);
return (EPERM);
}
td2 = FIRST_THREAD_IN_PROC(p);
#ifdef COMPAT_FREEBSD32
if (SV_CURPROC_FLAG(SV_ILP32)) {
if (SV_PROC_FLAG(td2->td_proc, SV_ILP32) == 0) {
PROC_UNLOCK(p);
return (EINVAL);
}
wrap32 = 1;
}
#endif
error = PROC(read, dbregs, td2, &r);
if (error == 0) {
PROC_UNLOCK(p);
error = UIOMOVE_FROMBUF(r, uio);
PROC_LOCK(p);
}
if (error == 0 && uio->uio_rw == UIO_WRITE) {
if (!P_SHOULDSTOP(p)) /* XXXKSE should be P_TRACED? */
error = EBUSY;
else
/* XXXKSE: */
error = PROC(write, dbregs, td2, &r);
}
PROC_UNLOCK(p);
return (error);
}
