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sidkshatriya / dontbug

Dontbug is a reverse debugger for PHP
Apache License 2.0
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Native MacOS Support #1

Closed danslo closed 7 years ago

danslo commented 8 years ago

This issue is not so much a feature request, as I may be able to help out in this regard (I've been involved in porting HHVM to OSX for example).

What would be the general areas to look at to make this run on MacOS natively?

sidkshatriya commented 8 years ago

Thanks for opening ticket #1 on this project :-)

Dontbug depends significantly on mozilla/rr which is only available for Linux. And its very difficult to port mozilla/rr to other operating systems as it requires some very specific capabilities that are either only available on Linux or undocumented/unavailable/unexposed in other operating systems like macOS.

So sadly at this point I would say its unlikely that Dontbug is going to be available on other operating systems anytime soon. Your best bet is to run Dontbug in a Linux VM on those other OSes.

Here is an interesting blog post on this issue: https://joneschrisg.wordpress.com/2015/01/29/rr-on-os-x-can-it-be-ported/

There might be some other discussions you can find on the internet / rr mailing lists on this topic.

@rocallahan might also be able to say if there have been some developments on this issue since the blog post was written and if there are some other approaches (like lightweight instrumentation) that can be considered on macOS.

rocallahan commented 8 years ago

No new developments.