> Isn't long jump a gcc function used to make cals to functions
>further away then the branch inst allows?
Not as far as I know. If you're thinking of __builtin_longjmp this is
something rather different.
There isn't a great deal the compiler can do to help, because it doesn't know
where each bit of code will end up in the final program image so it has no way
of telling which branches will need a "far" jump instruction. This is why
it's really a job for the linker to fix things up. Would probably make an
interesting project for someone who wanted to get familiar with BFD.
p.
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