Support for mini-debuginfo in LLDB How to read the .gnu_debugdata section.

by Konrad Kleine
At: FOSDEM 2020
video.fosdem.org/2020/K.4.201...
The "official" mini-debuginfo man-page describes the topic best:
❮blockquote❯Some systems ship pre-built executables and libraries that have a
special ❮code❯.gnu_debugdata❮/code❯ section. This feature is called MiniDebugInfo.
This section holds an LZMA-compressed object and is used to supply extra
symbols for backtraces.
The intent of this section is to provide extra minimal debugging information
for use in simple backtraces. It is not intended to be a replacement for
full separate debugging information (see Separate Debug Files).
❮/blockquote❯
In this talk I'll explain what it took to interpret support for mini-debuginfo
in LLDB, how we've tested it, and what to think about when implementing this
support (e.g. merging ❮code❯.symtab❮/code❯ and ❮code❯.gnu_debugdata❮/code❯ sections).
Room: K.4.201
Scheduled start: 2020-02-02 14:00:00

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