JITHandlerEncoded JIT_OPERATION lookupExceptionHandler(ExecState* exec)
{
VM* vm = &exec->vm();
NativeCallFrameTracer tracer(vm, exec);
JSValue exceptionValue = exec->exception();
ASSERT(exceptionValue);
ExceptionHandler handler = genericUnwind(vm, exec, exceptionValue);
ASSERT(handler.catchRoutine);
return dfgHandlerEncoded(handler.callFrame, handler.catchRoutine);
}
DFGHandlerEncoded DFG_OPERATION lookupExceptionHandler(ExecState* exec, uint32_t callIndex)
{
JSValue exceptionValue = exec->exception();
ASSERT(exceptionValue);
unsigned vPCIndex = exec->codeBlock()->bytecodeOffsetForCallAtIndex(callIndex);
HandlerInfo* handler = exec->globalData().interpreter->throwException(exec, exceptionValue, vPCIndex);
void* catchRoutine = handler ? handler->nativeCode.executableAddress() : (void*)ctiOpThrowNotCaught;
ASSERT(catchRoutine);
return dfgHandlerEncoded(exec, catchRoutine);
}
DFGHandlerEncoded DFG_OPERATION lookupExceptionHandlerInStub(ExecState* exec, StructureStubInfo* stubInfo)
{
JSGlobalData* globalData = &exec->globalData();
NativeCallFrameTracer tracer(globalData, exec);
JSValue exceptionValue = exec->exception();
ASSERT(exceptionValue);
CodeOrigin codeOrigin = stubInfo->codeOrigin;
while (codeOrigin.inlineCallFrame)
codeOrigin = codeOrigin.inlineCallFrame->caller;
HandlerInfo* handler = exec->globalData().interpreter->throwException(exec, exceptionValue, codeOrigin.bytecodeIndex);
void* catchRoutine = handler ? handler->nativeCode.executableAddress() : (void*)ctiOpThrowNotCaught;
ASSERT(catchRoutine);
return dfgHandlerEncoded(exec, catchRoutine);
}