Thanks Jakob, 

These two functions work for me worked for me. 

Cheers

On Thursday, June 21, 2018 at 2:34:40 PM UTC-7, Jakob Kummerow wrote:
>
> Yes, debugging CodeStubAssembler-generated builtins is not easy.
>
> CodeStubAssembler provides several overloaded Print() methods for 
> convenient printf-style debugging. They cause code to be emitted that, at 
> runtime, will call some printing function.
> There's also DebugBreak() inherited from CodeAssembler which will emit an 
> int3 instruction, which essentially acts as a breakpoint in GDB.
>
> On Thu, Jun 21, 2018 at 12:09 PM <[email protected] <javascript:>> 
> wrote:
>
>> Hi I'm a student trying to learn V8 and am trying to implement my own 
>> Array prototype method. I'm currently having difficulty debugging the 
>> psuedo-assembly like code and was curious if anyone had any suggestions. 
>> I'm currently using gdb and I'm having trouble figuring out the symbols to 
>> set breakpoints and adding print statements is proving to be a challenge as 
>> well.
>>
>> Sorry if this question has been asked before I searched for it and went 
>> back through a few months of posts and couldn't find it. 
>>
>> Cheers,
>> Jann
>>
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