da-viper wrote:

> > The mold linker adds a function symbol to the symbol table (.symtab) for 
> > every shared library exported function.
> 
> This sounds reasonable but is it in fact correct to do so? Doesn't sound 
> accidental so I guess it is allowable.
> 
> > I cannot think of a way to add another symbol in the trampoline's file 
> > address without linking with mold.
> > Is there a way to write a test for this ?
> 
> Poorly thought out ideas:
> 
> * Load the symbol from a json file 
> https://lldb.llvm.org/use/symbolfilejson.html, this was done for a 
> non-address bit test at some point (so that it could run on any hardware). 
> Though this is adding symbols into lldb's own structures, not the library.
> * obj2yaml the smallest library you can get it down to, then link it with a 
> main program just enough to be able to load into lldb. Assuming the YAML can 
> capture that detail.
> * Terrible extension of that - compile, obj2yaml, patch the yaml, yaml2obj, 
> link normally
> * Use llvm-objcopy 
> (https://llvm.org/docs/CommandGuide/llvm-objcopy.html#cmdoption-llvm-objcopy-add-symbol).
>  No idea if that'll add the type you want though.

Thanks, Went with the `llvm-objcopy` it's easier to recheck if the test fails. 

https://github.com/llvm/llvm-project/pull/178695
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