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authorFlorian Weimer <fweimer@redhat.com>2021-06-02 07:32:19 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-06-02 07:34:24 +0200
commitc44838ebf8b8da0795d56e05b477c5d2b37b4a19 (patch)
treec1dc4f38603b4b09748ae2bf334022109279c234 /MAINTAINERS
parentd32ee64df750c2a1ebfffaccc1c02251a73d0532 (diff)
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Add libc ABI extension kludge for baseline-violating libdl symbols
Some targets have a GLIBC_2.0 baseline for libdl, while using
GLIBC_2.2 for libc.  This means that the generated libc.map file
does not have any version nodes for GLIBC_2.0 or GLIBC_2.1.  However,
moving symbols from libdl into libc needs such version nodes.
(Future symbol moves from librt will need this as well.)

This kludge is only necessary for symbols predating GLIBC_2.2 because
the affected targets use GLIBC_2.2 as the baseline for libc.  Given
the small number and fixed set of affected architectures, no generic
mechanism is implemented, and instead the map file fragment is
hard-coded in scripts/versions.mk.

The compat_symbol macro already emits the appropriate version strings,
so no adjustments are needed there.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'MAINTAINERS')
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