static void emit_event_handler(void *emit, struct edp_event *ev){
struct edp_emit *ee = (struct edp_emit *)emit;
int errcode;
ASSERT((emit != NULL) && emit_check(ee));
ASSERT(ev != NULL);
if((ev->ev_type < 0) || (ev->ev_type >= kEMIT_EVENT_TYPE_MAX)){
log_warn("event type overflow:%d!\n", ev->ev_type);
edp_event_done(ev, -ERANGE);
return ;
}
if(ee->ee_handler[ev->ev_type] == emit_default_handler){
log_warn("no handler for this event:%d!\n", ev->ev_type);
edp_event_done(ev, -ENOENT);
return ;
}
errcode = (ee->ee_handler[ev->ev_type])(ee, ev);
// spi_spin_lock(&eu->ee_lock);
// list_del(&ev->ev_edpu);
// spi_spin_unlock(&eu->ee_lock);
atomic_dec(&ee->ee_pendings);
edp_event_done(ev, errcode);
}
/* index: 0 = top of stack, 1 = item underneath, etc
cache_entries: array of class/method pairs */
void inline_cache_jit::compile_inline_cache(fixnum index,
cell generic_word_,
cell methods_,
cell cache_entries_,
bool tail_call_p)
{
gc_root<word> generic_word(generic_word_,parent);
gc_root<array> methods(methods_,parent);
gc_root<array> cache_entries(cache_entries_,parent);
cell inline_cache_type = parent->determine_inline_cache_type(cache_entries.untagged());
parent->update_pic_count(inline_cache_type);
/* Generate machine code to determine the object's class. */
emit_class_lookup(index,inline_cache_type);
/* Generate machine code to check, in turn, if the class is one of the cached entries. */
cell i;
for(i = 0; i < array_capacity(cache_entries.untagged()); i += 2)
{
/* Class equal? */
cell klass = array_nth(cache_entries.untagged(),i);
emit_check(klass);
/* Yes? Jump to method */
cell method = array_nth(cache_entries.untagged(),i + 1);
emit_with(parent->userenv[PIC_HIT],method);
}
/* Generate machine code to handle a cache miss, which ultimately results in
this function being called again.
The inline-cache-miss primitive call receives enough information to
reconstruct the PIC. */
push(generic_word.value());
push(methods.value());
push(tag_fixnum(index));
push(cache_entries.value());
word_special(parent->userenv[tail_call_p ? PIC_MISS_TAIL_WORD : PIC_MISS_WORD]);
}