[LLVMdev] llvm-mc standalone assemblers and testing

[Jim Grosbach]

ARM is the best model currently, though x86 does some interesting things as well and is worth looking at.

If there's anything in particular that's causing head-scratching, just ask. There's not much available in terms of how-to documentation, unfortunately. That's definitely on my TODO list to write, but time constraints are rough right now.

-Jim

On Jan 11, 2012, at 8:09 PM, Carter, Jack wrote:

> We are already generating object directly. 
> 
> It is on my roadmap to implement the standalone assembler, but I was hoping for some suggestions ;-)
> 
> My target is Mips and I have started looking at what ARM does. If there is a better model or how-to guide I'd like to know.
> 
> Thanks,
> 
> Jack
> From: Owen Anderson [resistor at mac.com]
> Sent: Wednesday, January 11, 2012 6:40 PM
> To: Carter, Jack
> Cc: List
> Subject: Re: [LLVMdev] llvm-mc standalone assemblers and testing
> 
> 
> On Jan 11, 2012, at 6:05 PM, Carter, Jack wrote:
> 
>> I have had references to llvm-mc in terms of a tester for MC level code changes and have just found and read the blog http://blog.llvm.org/2010/04/intro-to-llvm-mc-project.html. 
>> 
>> Am I correct that lib/Target/<target>/AsmParser/*.cpp needs to be completed to make a standalone assembler for a specific target and until that is done, llvm-mc can't be used to generate output object that is tested by elf-dump?
> 
> You need to implement an AsmParser if you want to generate object files from assembly files.  You can generate object files from higher-level inputs (.c, .ll) without a functional AsmParser as long as your inputs don't use inline assembly.
> 
> --Owen
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