void RegisterFile::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
for (Register* it = start(); it != end(); ++it) {
JSValue v = it->jsValue();
if (!v.isCell())
continue;
conservativeRoots.add(v.asCell());
}
}
void Arguments::tearOffForInlineCallFrame(JSGlobalData& globalData, Register* registers, InlineCallFrame* inlineCallFrame)
{
for (size_t i = 0; i < d->numArguments; ++i) {
ValueRecovery& recovery = inlineCallFrame->arguments[i + 1];
// In the future we'll support displaced recoveries (indicating that the
// argument was flushed to a different location), but for now we don't do
// that so this code will fail if that were to happen. On the other hand,
// it's much less likely that we'll support in-register recoveries since
// this code does not (easily) have access to registers.
JSValue value;
Register* location = ®isters[CallFrame::argumentOffset(i)];
switch (recovery.technique()) {
case AlreadyInRegisterFile:
value = location->jsValue();
break;
case AlreadyInRegisterFileAsUnboxedInt32:
value = jsNumber(location->unboxedInt32());
break;
case AlreadyInRegisterFileAsUnboxedCell:
value = location->unboxedCell();
break;
case AlreadyInRegisterFileAsUnboxedBoolean:
value = jsBoolean(location->unboxedBoolean());
break;
case AlreadyInRegisterFileAsUnboxedDouble:
#if USE(JSVALUE64)
value = jsNumber(*bitwise_cast<double*>(location));
#else
value = location->jsValue();
#endif
break;
case Constant:
value = recovery.constant();
break;
default:
ASSERT_NOT_REACHED();
break;
}
argument(i).set(globalData, this, value);
}
}