Logging error messages on android inside V8

[Alex Nahapetyan]

Hey y'all,

As part of our research effort at my uni we patch V8 to log javascript API access. While attempt to do this on android and extracting logs via a network connection, our vv8_connect_to_logging_server_direct method fails (it's a simple c socket code). I was wondering if anyone can help us out to figure out a way to get stdout or any for of logging out of v8 on android or if anyone is aware why this might happen.

Thanks for reading through!

[Camillo Bruni]

Hi, maybe looking at V8's PrintF helper can get you some hints?

We use that specifically to get better logging on android.

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Camillo Bruni |

Software Engineer, V8 |

Google Germany GmbH |

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[Alex Nahapetyan]

You are a lifesaver. void OS::FPrint(FILE* out, const char* format, ...) ended up doing the trick! Thank you.