jakehehrlich added a comment.

> Jake, I am still not sure what you would prefer for moving forward. The 
> current patch can output the yaml format I originally proposed or the one 
> that looks similar to the one you proposed. What I need to know is:
> 
> Do you want the merging if the "ifo" files to happen inside of llvm-elfabi?
>  Do you care if we upstream the yaml we proposed as a first step (which is 
> really a distilled version of that yaml2obj can consume anyways. this right 
> now functions actually) ???
>  Or, would you rather the ifo files be merged by a different separate tool 
> (something maybe called llvm-ifsogen)???

This is my proposal:

1. We should plan on adding the code ofr merging these files inside of 
`llvm/tools/llvm-elfabi` but will it be a separate tool from `llvm-elfabi`. You 
can create "separate" tools in the same directory using the symlink trick. See 
llvm-ar and friends or llvm-objcopy and llvm-strip. The tool name can be 
discussed in review.
2. The yaml proposed thus far is not acceptable IMO for reasons already 
outlined but this can be discussed in code review. Before adding sections a 
clear reason for needing them is required which hasn't been given yet. Things 
can evolve and change later as needed but we should start with the minimum and 
add as needed later; not start with extra and remove later. Support for the new 
format should be added into TextAPI and in the review for that process we 
should discuss the format. After we add support for this new format into 
TextAPI we can add support for emitting this format into clang (well actually 
you can write the code whenever but I'm using "after" in a different sense 
here).
3. After support for emitting this is in clang has landed you can write the 
merging tool using the symlink trick. The merging tool should read in all the 
.ifo files and generate an ELFStub (see TextAPI/ELF) which can then be output 
using the code that I recently added you as a reviewer on. This will ensure 
that all of the stub solutions in llvm are consistent.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60974/new/

https://reviews.llvm.org/D60974



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