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mrchocky: Er, granted it won't support the same syntax syntax, but binutils for arm-*-elf has been around for donkeys years. To get started, you should be able to configure it and gcc just for 'arm-unknown-elf' which will give you a working compiler, assembler and linker - though no knowledge of RISC OS, obviously. The crt init code can be cribbed from NetBSD easily enough, and then it's a case of building a library containing stubs for all of the SWIs using a syntax gas understands. (Isn't there a library containing all the SWI stubs already, that's autogenerated or something - I'm sure I read about it somewhere?)

Granted, you run into issues if you want to use any inline asm, but taking one step at a time would seem the sensible approach.

(If the libc is shared and SWI calls aren't inline, then there's even the possibility of sharing binaries between RISC OS+elf and other arm-*-elf platforms, which would be nice).

is a RISC OS Usermckinlay on 30/9/03 11:39PM
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