On Mon, Nov 12, 2018 at 7:38 AM TLim <heuichan....@gmail.com> wrote:
> Hi,
>
> So, I'm trying to get a direct access to the source file where disassembly 
> information lives.
> For example, when I run a JS program like below
> function foo()
> {
>   return 1+2;
> }
>
> foo();
>
>  I get the output like below when run $d8 foo.js.
>
>  -> 0x22bef6ea00ed @   19 : 13 01 00          LdaGlobal [1], [0]
>       [ accumulator <- 0x22bef6ea01d9 <JSFunction foo (sfi = 0x22bef6e9fff1)> 
> ]
>  -> 0x22bef6ea00f0 @   22 : 26 fa             Star r1
>       [ accumulator -> 0x22bef6ea01d9 <JSFunction foo (sfi = 0x22bef6e9fff1)> 
> ]
>       [          r1 <- 0x22bef6ea01d9 <JSFunction foo (sfi = 0x22bef6e9fff1)> 
> ]
>  -> 0x22bef6ea00f2 @   24 : 5f fa f9 01       CallNoFeedback r1, r2-r2
>       [          r1 -> 0x22bef6ea01d9 <JSFunction foo (sfi = 0x22bef6e9fff1)> 
> ]
>       [          r2 -> 0x06053d3004d9 <undefined> ]
>
> I know that some of them get printed in src/objects.cc, but the part between 
> the brackets
> [ accumulator <- 0x22bef6ea01d9 <JSFunction foo (sfi = 0x22bef6e9fff1)> ]
> is the part I'm not sure where the source code lives.
>
> If anyone can help me to locate this file, that will be a great help!
>
> Thank you!

PrintRegisters() in src/runtime/runtime-interpreter.cc. The part after
the arrow comes from the overloaded ShortPrint() method of the value
in the accumulator, a JSFunction in this case.

-- 
-- 
v8-users mailing list
v8-users@googlegroups.com
http://groups.google.com/group/v8-users
--- 
You received this message because you are subscribed to the Google Groups 
"v8-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to v8-users+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to