https://sourceware.org/bugzilla/show_bug.cgi?id=26268
Fangrui Song <i at maskray dot me> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|INVALID |---
Status|RESOLVED |UNCONFIRMED
--- Comment #2 from Fangrui Song <i at maskray dot me> ---
(In reply to Andreas Schwab from comment #1)
> A relocatable link doesn't create __start and __end symbols, thus the
> undefined reference to __start_cident is not related to any section. Use
> -Ur if you want them.
The documentation says -Ur is equivalent to -r for non-C++ programs
@kindex -Ur
@cindex constructors
@item -Ur
For anything other than C++ programs, this option is equivalent to
@samp{-r}: it generates relocatable output---i.e., an output file that can in
turn serve as input to @command{ld}. When linking C++ programs, @samp{-Ur}
@emph{does} resolve references to constructors, unlike @samp{-r}.
It does not work to use @samp{-Ur} on files that were themselves linked
with @samp{-Ur}; once the constructor table has been built, it cannot
be added to. Use @samp{-Ur} only for the last partial link, and
@samp{-r} for the others.
ld -r is allowed to not defined __start_cindent, but it should not discard the
sections. Not only -u __start_cindent does not retain 'cindent', a relocation
'.quad __start_cindent' does not retain 'cindent' as well.
I don't think this is invalid.
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