void DeltaProcess::transfer(ProcessState reason, DeltaProcess* target) {
// change time_stamp for target
target->inc_time_stamp();
{
ThreadCritical tc;
assert(this == active(), "receiver must be the active process");
// save state
_last_Delta_fp = ::last_Delta_fp; // *don't* use accessors! (check their implementation to see why)
_last_Delta_sp = ::last_Delta_sp;
set_state(reason);
// restore state
::last_Delta_fp = target->_last_Delta_fp; // *don't* use accessors!
::last_Delta_sp = target->_last_Delta_sp;
set_current(target);
set_active(target);
resetStepping();
}
// transfer
basic_transfer(target);
}
void VMProcess::transfer_to(DeltaProcess* target) {
{
ThreadCritical tc;
// restore state
::last_Delta_fp = target->_last_Delta_fp; // *don't* use accessors!
::last_Delta_sp = target->_last_Delta_sp;
DeltaProcess::set_active(target);
DeltaProcess::set_current(target);
}
basic_transfer(target);
}
void DeltaProcess::transfer_to_vm() {
{
ThreadCritical tc;
assert(this == active(), "receiver must be the active process");
// save state
_last_Delta_fp = ::last_Delta_fp; // *don't* use accessors! (check their implementation to see why)
_last_Delta_sp = ::last_Delta_sp;
set_current(VMProcess::vm_process());
}
basic_transfer(VMProcess::vm_process());
}
