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Alan Modra authored
This is a followup to git commit 97196564 "Strip global symbol defined in discarded section". If a symbol defined in a discarded section was dynamic, that patch left .dynsym with holes (ie. all zero entries). For example, the following from libstdc++.so: Symbol table '.dynsym' contains 6090 entries: Num: Value Size Type Bind Vis Ndx Name 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND 1: 00000000000a74e0 0 SECTION LOCAL DEFAULT 10 2: 0000000000264180 0 SECTION LOCAL DEFAULT 17 3: 0000000000000000 0 NOTYPE WEAK DEFAULT UND _ITM_addUserCommitAction 4: 0000000000000000 0 NOTYPE WEAK DEFAULT UND _ITM_memcpyRtWn 5: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND readelf: Warning: local symbol 5 found at index >= .dynsym's sh_info value of 3 6: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND readelf: Warning: local symbol 6 found at index >= .dynsym's sh_info value of 3 [snip] This patch removes the symbols from .dynsym too. PR 17550 * elflink.c (_bfd_elf_fix_symbol_flags): Hide dynamic symbols in discarded sections. (cherry picked from commit af0bfb9c)
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