FTLExceptionTarget.cpp [plain text]
#include "config.h"
#include "FTLExceptionTarget.h"
#if ENABLE(FTL_JIT)
#include "FTLState.h"
namespace JSC { namespace FTL {
ExceptionTarget::~ExceptionTarget()
{
}
CodeLocationLabel<ExceptionHandlerPtrTag> ExceptionTarget::label(LinkBuffer& linkBuffer)
{
if (m_isDefaultHandler)
return linkBuffer.locationOf<ExceptionHandlerPtrTag>(*m_defaultHandler);
return linkBuffer.locationOf<ExceptionHandlerPtrTag>(m_handle->label);
}
Box<CCallHelpers::JumpList> ExceptionTarget::jumps(CCallHelpers& jit)
{
Box<CCallHelpers::JumpList> result = Box<CCallHelpers::JumpList>::create();
if (m_isDefaultHandler) {
Box<CCallHelpers::Label> defaultHandler = m_defaultHandler;
jit.addLinkTask(
[=] (LinkBuffer& linkBuffer) {
linkBuffer.link(*result, linkBuffer.locationOf<ExceptionHandlerPtrTag>(*defaultHandler));
});
} else {
RefPtr<OSRExitHandle> handle = m_handle;
jit.addLinkTask(
[=] (LinkBuffer& linkBuffer) {
linkBuffer.link(*result, linkBuffer.locationOf<OSRExitPtrTag>(handle->label));
});
}
return result;
}
ExceptionTarget::ExceptionTarget(
bool isDefaultHandler, Box<CCallHelpers::Label> defaultHandler, RefPtr<OSRExitHandle> handle)
: m_isDefaultHandler(isDefaultHandler)
, m_defaultHandler(defaultHandler)
, m_handle(handle)
{
}
} }
#endif // ENABLE(FTL_JIT)