Hi!
This is something that has popped up in a number of LLVM patch reviews,
and is something that we would like to get some help with clarifying.
For DWARF[345], may a DWARF Expression (described in section 2.5)
contain any of the operations listed under the Location Descriptions
section (2.6)? F
On tor, 2018-12-06 at 17:47 -0800, Cary Coutant via Dwarf-Discuss
wrote:
> But we're getting sidetracked from the OP's question: Does GCC in
> fact
> subtract one from the upper bound of a location list entry for a
> variable contained in a caller-saved register? I can think of no
> reason why it s
On tor, 2018-12-06 at 16:32 +0100, Andreas Arnez via Dwarf-Discuss
wrote:
> If GDB uses caller-saved register values from the inner-most frame in
> outer frames, then this is a bug. Note that this could also be
> caused
> by bad CFI.
Hmm, right. I'm not very familiar with the design philosophy of
Hi!
When GDB and LLDB perform virtual unwinding, they subtract one byte
from the return addresses of the outer frames. This is for example
necessary when unwinding from a non-returning call that is placed last
in the function, as the return address then can point to a different
function. I assume
