On Wed, Apr 15, 2020 at 12:53 PM Jakob Kummerow <jkumme...@chromium.org>
wrote:
> The first part of this is easy: the existing --trace flag traces all
> function calls. If printing to stdout is not what you need, you can at
> least grep for FLAG_trace in the code to see where you'd have to add your
> own code.
>
> The second part, logging all accessed properties, seems considerably
> harder -- I'm not sure how to do it. As a start, you can turn off ICs, and
> add code to the RUNTIME_FUNCTIONs you see in ic.cc. But that leaves a
> bunch of implicit property loads inside built-in functions, and those don't
> go through any common bottlenecks, so you'd have to find them all by hand.
> It's going to be a lot of work.
>
Also turn off lazy feedback allocation (--no-lazy-feedback-allocation)
along with turning off ICs. Without feedback vectors, we take a slightly
different path to load some properties and may not call runtime functions.
That still doesn't help with implicit property loads mentioned by Jakob.
On Wed, Apr 15, 2020 at 9:20 AM <jun52...@gmail.com> wrote:
>
>> Hello,
>>
>> For research reason, I need to log all the function names and properties
>> accessed from javascript. Given the below example code from a webpage:
>>
>> <script>
>> console.log('test");
>> window.name="new name";
>> </script>
>>
>> I'd like to capture that 'console.log()' and 'window.name' have been
>> accessed.
>>
>>
>> I'm quite new to v8 development. I've been struggling with the v8 source
>> code in the chromium for a while.
>> Could anyone save my life by giving me some hints or code snippets to get
>> started?
>>
>> --
> --
> v8-dev mailing list
> v8-dev@googlegroups.com
> http://groups.google.com/group/v8-dev
> ---
> You received this message because you are subscribed to the Google Groups
> "v8-dev" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to v8-dev+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/v8-dev/CAKSzg3T0qJSaZjRY2gSW%3DnTbjCBV6NAEEXhN9z9WQUjt9URqrg%40mail.gmail.com
> <https://groups.google.com/d/msgid/v8-dev/CAKSzg3T0qJSaZjRY2gSW%3DnTbjCBV6NAEEXhN9z9WQUjt9URqrg%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>
--
--
v8-dev mailing list
v8-dev@googlegroups.com
http://groups.google.com/group/v8-dev
---
You received this message because you are subscribed to the Google Groups
"v8-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to v8-dev+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/v8-dev/CACrd1Ps07iomMpTQRaUKLZTFWdCA20ZDSn2e4N8O1Z%2BtZ%3DiqAQ%40mail.gmail.com.
