Make sure dw_at2name() never returns NULL. This call is used in various
printf calls that clang decided to optimise into puts calls that crash
with a NULL argument.
Also add DW_AT_noreturn which caus

Make sure dw_at2name() never returns NULL. This call is used in various
printf calls that clang decided to optimise into puts calls that crash
with a NULL argument.
Also add DW_AT_noreturn which caused this when running ./ctfconv -d ./ctfconv
OK mpi@

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Zap unused variables/functions under /usr/src/*bin/

OK deraadt

Unserstand DW_OP_bregN locations.

Sync with readdwarf(1).

Fix typo in comment; ok mpi@

add rcs ids

Import a tool for generating CTF data section (SUNW_ctf) based on DWARF
information.

ctfconv(1) support multiple CUs in order to work on binaries. ctfstrip(1)
works like strip(1) but also insert a

Import a tool for generating CTF data section (SUNW_ctf) based on DWARF
information.

ctfconv(1) support multiple CUs in order to work on binaries. ctfstrip(1)
works like strip(1) but also insert a .SUNW_ctf section inside a binary.

ok deraadt@, kettenis@, jasper@

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