Windows x86 with stdcall?

[ClearScript Developers]

Greetings!

By adding the /Gz compiler switch and making a few minor tweaks, we've managed to build the V8 monolith with stdcall as the default convention.

Unfortunately, this build doesn't work. We can initialize V8 and spin up an isolate, but context creation crashes without a useful stack somewhere within the Genesis code.

Before we probe further, we were wondering if x86 stdcall was known to be fundamentally incompatible with V8.

Thank you!

[Jakob Kummerow]

Yeah, this is probably expected. For calls from generated code into C++, V8 necessarily assumes that it knows what the C++ calling convention is.

You could probably work around that, either by teaching V8 about stdcall, or by figuring out how to use stdcall only for all _other_ functions (that aren't called from generated code), but either way it'll be some non-trivial work.

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[ClearScript Developers]

Thanks, Jakob!