References:
References: LLVM Exception Handling A landing pad corresponds roughly to the code found in the catch portion of a try/catch sequence. When execution resumes at a landing pad, it receives an exception structure and a selector value corresponding to the type of exception thrown. The selector is then used to determine which catch should actually process the exception. More
    If you could revise 
    
 the fundmental principles of  
    
 computer system design
    
 to improve security... 
    
    
 ... what would you change?