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2010 Oct 21
0
[LLVMdev] [llvm-commits] Fwd: Proof of concept patch for unifying the .s/ELF emission of .ARM.attributes
...ze fields after all of the blobs in the
.ARM.attributes
are sent out. I am currently doing this manually by messing with the
MCDataFragment directly - (I cribbed from the ELFObjectwriter code)
The size field kind of acts like an ELF section header size field, but
trying to replicate the MCAssembler/MCLayout mechanics seemed a bit
much, and from the existing sources,
I could not find a relevant use of MCExpr/MCFixup that does this. I
even considered outputing a fake symbol, but that didn't work well
either. The code I have now was the simplest I could make it under the
constraints I found myself in...
2010 Oct 21
5
[LLVMdev] [llvm-commits] Fwd: Proof of concept patch for unifying the .s/ELF emission of .ARM.attributes
> Also what is the preferred method for MC way of setting out subsection
> sizes after the fact? I am guessing I need to use an MCFixup?
> How do I get an MCExpr to evaluate a method for the subsection size?
> Is there an equivalent use in the places using MCFixup?
> Do I need to add a new subclass to MCExpr for doing this?
>
> JimG, can you please comment on the MachO