static void dispatch(CCallHelpers& jit, FTL::State* state, const B3::StackmapGenerationParams& params, DFG::Node* node, Box<CCallHelpers::JumpList> exceptions, CCallHelpers::JumpList from, OperationType operation, ResultType result, Arguments arguments, std::index_sequence<ArgumentsIndex...>)
{
CCallHelpers::Label done = jit.label();
params.addLatePath([=] (CCallHelpers& jit) {
AllowMacroScratchRegisterUsage allowScratch(jit);
from.link(&jit);
callOperation(
*state, params.unavailableRegisters(), jit, node->origin.semantic,
exceptions.get(), operation, extractResult(result), std::get<ArgumentsIndex>(arguments)...);
jit.jump().linkTo(done, &jit);
});
}
void PatchpointExceptionHandle::scheduleExitCreationForUnwind(
const B3::StackmapGenerationParams& params, CallSiteIndex callSiteIndex)
{
if (!m_descriptor)
return;
RefPtr<OSRExitHandle> handle = createHandle(GenericUnwind, params);
handle->exit.m_exceptionHandlerCallSiteIndex = callSiteIndex;
HandlerInfo handler = m_handler;
params.addLatePath(
[handle, handler, callSiteIndex] (CCallHelpers& jit) {
CodeBlock* codeBlock = jit.codeBlock();
jit.addLinkTask(
[=] (LinkBuffer& linkBuffer) {
HandlerInfo newHandler = handler;
newHandler.start = callSiteIndex.bits();
newHandler.end = callSiteIndex.bits() + 1;
newHandler.nativeCode = linkBuffer.locationOf(handle->label);
codeBlock->appendExceptionHandler(newHandler);
});
});
}