Computing .long .L123-.L100
Thu Jan 22 03:09:00 GMT 2004
> > Another related question is that sh_cons_fix_new() outputs a reloc for
> > .long .L3-.L9., but the disassembly of the resulting object file does
> > not contain the reloc anymore. Where is such a reloc deleted?
> In gas terminology, sh_cons_fix_new() generates a fixup. Some fixups
> are then computed by fixup_segment(). Others are passed to
> tc_gen_reloc() to generate a reloc.
I was thinking that fixup and reloc are the same thing. :-(
I finally figured out why the difference of two labels is not folded
to a constant. On the target I am working on, the global variable
linkrelax is always set to 1, so fixup_segment() refrains from
touching the difference.
Anyway, if you hadn't mentioned fixup_segment(), I would be still
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