bool CompiledIC::is_call_to_interpreted() const {
assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
// Call to interpreter if destination is either calling to a stub (if it
// is optimized), or calling to an I2C blob
bool is_call_to_interpreted = false;
if (!is_optimized()) {
// must use unsafe because the destination can be a zombie (and we're cleaning)
// and the print_compiled_ic code wants to know if site (in the non-zombie)
// is to the interpreter.
CodeBlob* cb = CodeCache::find_blob_unsafe(ic_destination());
is_call_to_interpreted = (cb != NULL && cb->is_adapter_blob());
assert(!is_call_to_interpreted || (is_icholder_call() && cached_icholder() != NULL), "sanity check");
} else {
// Check if we are calling into our own codeblob (i.e., to a stub)
CodeBlob* cb = CodeCache::find_blob(_ic_call->instruction_address());
address dest = ic_destination();
#ifdef ASSERT
{
CodeBlob* db = CodeCache::find_blob_unsafe(dest);
assert(!db->is_adapter_blob(), "must use stub!");
}
#endif /* ASSERT */
is_call_to_interpreted = cb->contains(dest);
}
return is_call_to_interpreted;
}
bool CompiledIC::is_icholder_entry(address entry) {
CodeBlob* cb = CodeCache::find_blob_unsafe(entry);
if (cb != NULL && cb->is_adapter_blob()) {
return true;
}
// itable stubs also use CompiledICHolder
if (cb != NULL && cb->is_vtable_blob()) {
VtableStub* s = VtableStubs::entry_point(entry);
return (s != NULL) && s->is_itable_stub();
}
return false;
}
bool CompiledIC::is_icholder_entry(address entry) {
CodeBlob* cb = CodeCache::find_blob_unsafe(entry);
return (cb != NULL && cb->is_adapter_blob());
}
