alt Hacker NewsI can’t think of many real world production systems which don’t have a rust target. Also I’m hopeful the GCC backend for rustc makes some progress and can become an option for the more esoteric ones
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MobiusHorizons • today at 4:37 AM
It's mostly embedded / microcontroller stuff. Things that you would use something like SDCC or a vendor toolchain for. Things like the 8051, stm8, PIC or oddball things like the 4 cent Padauk micros everyone was raving about a few years ago. 8051 especially still seems to come up from time to time in things like the ch554 usb controller, or some NRF 2.4ghz wireless chips.
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There aren't really any "systems programming" platforms anywhere near production that doesn't have a workable rust target.
It's "embedded programming" where you often start to run into weird platforms (or sub-platforms) that only have a c compiler, or the rust compiler that does exist is somewhat borderline. We are sometimes talking about devices which don't even have a gcc port (or the port is based on a very old version of gcc). Which is a shame, because IMO, rust actually excels as an embedded programming language.
Linux is a bit marginal, as it crosses the boundary and is often used as a kernel for embedded devices (especially ones that need to do networking). The 68k people have been hit quite hard by this, linux on 68k is still a semi-common usecase, and while there is a prototype rust back end, it's still not production ready.