I guess you are looking
for https://bugs.chromium.org/p/v8/issues/detail?id=178
This is a long standing feature request that has not been addressed yet.
I'll add it to our backlog.
On Thursday, October 20, 2016 at 7:55:38 AM UTC+2, PhistucK wrote:
>
> File crbug.com/657697 (and crbug.com/657700 for a related bug I found
> as a result :(). But it is really a duplicate of crbug.com/496666 (so I
> closed mine). I guess it will not be in progress soon. :(
>
>
> ☆*PhistucK*
>
> On Thu, Oct 20, 2016 at 8:19 AM, Jochen Eisinger <joc...@chromium.org
> <javascript:>> wrote:
>
>> As far as I know that's not possible. Could you file a feature request
>> for this (probably on crbug.com if you also want to cover DOM functions)
>>
>> On Wed, Oct 19, 2016 at 7:38 PM PhistucK <phis...@gmail.com <javascript:>>
>> wrote:
>>
>>> I wanted to know whether there is a V8 (or Chrome) flag of some sort
>>> that will let me add breakpoints on native function calls.
>>> I do not mean C++ functions, I mean built in web platform (or
>>> ECMAScript) functions.
>>> My issue is that I click on a link and suddenly some code is apparently
>>> calling document.location.replace("foo") or something and the page
>>> redirects (maliciously). In order to find the calling code, I want to set a
>>> breakpoint on calling document.location.replace, which is a native web
>>> platform function, that is not writable (so I cannot override it with my
>>> own function using Object.defineProperty, or use a proxy).
>>> (The code is apparently elusive and obfuscated somewhat, so it is not
>>> just a search and replace)
>>> I tried using the Developer Tools API - debug(function), but it did not
>>> break (even when I call it with setTimeout).
>>>
>>> A V8 flag (or a Chrome flag) that either lets me break on calling that
>>> function, or that overrides the security feature that makes it
>>> non-writable, or something like that, would let me see the code that calls
>>> it and find the malicious way it does so.
>>>
>>> So, is there something like that?
>>>
>>> Thank you!
>>>
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