RefPtr<MethodInfo>
PluginRuntime::AcquireMethod(cell_t pcode_offset)
{
FunctionMap::Insert p = function_map_.findForAdd(pcode_offset);
if (p.found())
return p->value;
// Do some quick validation to make sure this is a valid offset. The only
// real reason to do this is so we don't fill the hash set with bogus
// methods.
if (pcode_offset < 0 ||
size_t(pcode_offset) >= code_.length ||
!IsAligned(pcode_offset, sizeof(cell_t)))
{
return nullptr;
}
const cell_t* address = reinterpret_cast<const cell_t*>(code_.bytes + pcode_offset);
if (*address != OP_PROC)
return nullptr;
RefPtr<MethodInfo> method = new MethodInfo(this, pcode_offset);
if (!function_map_.add(p, pcode_offset, method))
return nullptr;
// Grab the lock before linking code in, since the watchdog timer will look
// at this list on another thread.
{
ke::AutoLock lock(Environment::get()->lock());
if (!methods_.append(method))
return nullptr;
}
return method;
}
void
PluginRuntime::AddJittedFunction(CompiledFunction *fn)
{
m_JitFunctions.append(fn);
ucell_t pcode_offset = fn->GetCodeOffset();
{
FunctionMap::Insert p = function_map_.findForAdd(pcode_offset);
assert(!p.found());
function_map_.add(p, pcode_offset, fn);
}
}