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...mBackend construction which is create during an invocation of createMipsAsmBackend(). create<target>AsmBackend is called by: the codegen (integrated assembler) llvm-mc (standalone assembler) clang (cc1as_main.cpp) My solution for getting access of target specific data to <target>ELFObjecWriter was to pass a reference of SubtargetInfo to it through the <target>AsmBackend construction. For the integrated assembler this works well because what is really passed is a derived class of <target>Subtarget. I can add stuff to MipsSubtarget without affecting any other target. Here is...

On Fri, Dec 14, 2012 at 1:03 PM, Carter, Jack <jcarter at mips.com> wrote: > Eli, > > This is the kind of feedback I want. I believe I have to add to the base class so it should be generally useful. I can see string being better for the value. I still am enamoured with an enumeration for the tab though: int->string. How would that be a limitation? > I guess that's fine,