[PATCH 00/12] CTF symbol functionality

[Nick Alcock]

On 25 Oct 2020, Nick Alcock via Binutils said:

> This patch series lets you look up the types of symbols in ELF objects in
> the func info / data object CTF sections (hereafter, "symtypetab sections")
[...]

> Things that need review:
>
> Patches 1 and 2 touch things that use a ctf_file_t to adapt to some type
> renamings, but nothing more: they are purely mechanical.  Patch 3 touches
> objdump and readelf, even if only the CTF parts.
>
> Patch 4 is a fairly invasive patch (written only yesterday) that redoes the
> CTF symtab hookery in bfd and ld: we were, it turns out, using the wrong
> symtab and strtab for CTF the whole time, but we must not use .symtab and
> .strtab because they are stripped out!  This change switches over to use
> .dynsym and .dynstr (which is what Solaris did), but this is a bit more
> fiddly because .dynstr is built up in pieces in many places and is never
> present in a single unified lump like the symtab: so every place that swaps
> symbols out to the dynsym needs a hook call added before it.  (I'd prefer to
> have hooked in inside swap_symbol_out, but that doesn't know if its symbol
> is going into the dynsym or not and has no access to the
> bfd_link_callbacks).  We keep a hook in place for hooking into .symtab
> additions as well as .dynstr, but that hook is NULL for now because we don't
> need it.

Ping^2?

(Alan, I suspect you're the only person that could review patch 3. Rest
assured that I was kicking myself for adding to your review burden like
this :( )