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[Bug ld/24836] --as-needed leaves unused direct dependencies
From: |
crusader.mike at gmail dot com |
Subject: |
[Bug ld/24836] --as-needed leaves unused direct dependencies |
Date: |
Mon, 29 Jul 2019 21:31:20 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=24836
--- Comment #9 from crusader.mike at gmail dot com ---
... about #6, running my binary with LD_DEBUG:
LD_DEBUG=bindings LD_BIND_NOW=1 ./procmon.e
produces curious output:
...
27438: binding file /usr/local/lib64/libxalan-c.so.111 [0] to
/<blah>/procmon.e [0]: normal symbol
`_ZN11xalanc_1_1111XalanVectorItNS_31MemoryManagedConstructionTraitsItEEED1Ev'
...
i.e. libxalan-c ends up using EEED1Ev symbol from my executable! EEED2Ev isn't
mentioned in this output at all.
Another thing -- libxalan-c.so has both of these symbols in .dynsym and .symtab
tables, both weak, both have same address. With only one difference: only
EEED1Ev is mentioned in .rela.dyn (table of relocations?)
I am still not sure what is going on here, though...
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- [Bug ld/24836] New: --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/22
- [Bug ld/24836] --as-needed leaves unused direct dependencies, amodra at gmail dot com, 2019/07/23
- [Bug ld/24836] --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/23
- [Bug ld/24836] --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/23
- [Bug ld/24836] --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/23
- [Bug ld/24836] --as-needed leaves unused direct dependencies, fweimer at redhat dot com, 2019/07/23
- [Bug ld/24836] --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/23
- [Bug ld/24836] --as-needed leaves unused direct dependencies, amodra at gmail dot com, 2019/07/29
- [Bug ld/24836] --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/29
- [Bug ld/24836] --as-needed leaves unused direct dependencies,
crusader.mike at gmail dot com <=
- [Bug ld/24836] --as-needed leaves unused direct dependencies, amodra at gmail dot com, 2019/07/29
- [Bug ld/24836] --as-needed leaves unused direct dependencies, crusader.mike at gmail dot com, 2019/07/30
- [Bug ld/24836] --as-needed can leave unused direct dependencies if combined with --gc-sections, crusader.mike at gmail dot com, 2019/07/31