Thank you for your clarification.
It certainly seems the inlined function is not handled well, come to
think of it.
I will look at the video you kindly referred to.
Thank you again.
Chiaki
On 2022/02/16 20:24, Mark Wielaard wrote:
On Wed, Feb 16, 2022 at 12:46:32PM +0900, ISHIKAWA,chiaki wrote:
This is tangent to the original question, but this part:
with split-dwarf (which rnglistx and strx
form codes doesn't support yet)
valgrind does support bulk of data generated by --split-dwarf (gcc),
doesn't it?
No, it doesn't. valgrind won't read .dwo files/sections at all which
split-dwarf uses.
The above refers to "doesn't support" rnglistx and strx form codes?
And addrx forms. These are normally only used (by gcc) for split-dwarf
and involve an extra indirection through an index to reach the value
of the attribute. These forms are technically valid in non-split-dwarf
(with DWARF5) but not supported by valgrind.
I am asking this because I have checked mozilla thunderbird code
which is compiled using --split-dwarf of GCC and valgrind reports
reasonably sane diagnosis so far.
valgrind can report valid diagnostics with DWARF debuginfo, but it
might be less accurate, for example it won't report on inlined
functions.
I happened to give a talk on that recently:
https://fosdem.org/2022/schedule/event/valgrind_debuginfo/
(That talk doesn't cover split-dwarf though)
Cheers,
Mark
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