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author | Geoffrey Keating <geoffk@geoffk.org> | 2000-10-14 23:30:12 +0000 |
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committer | Geoffrey Keating <geoffk@geoffk.org> | 2000-10-14 23:30:12 +0000 |
commit | a4b120e1dbadd011de3b3e419df754d8636b29af (patch) | |
tree | 33b65afaebcaed0af95162d49828a04281829e7d /bfd/elf32-ppc.c | |
parent | 5af5b85bc37de9e224e9fd0ae11c2183b219500a (diff) | |
download | gdb-a4b120e1dbadd011de3b3e419df754d8636b29af.zip gdb-a4b120e1dbadd011de3b3e419df754d8636b29af.tar.gz gdb-a4b120e1dbadd011de3b3e419df754d8636b29af.tar.bz2 |
* elf32-ppc.c (ppc_elf_finish_dynamic_symbol): Don't make PLT
entries that could serve as a definition for a weak symbol.
Diffstat (limited to 'bfd/elf32-ppc.c')
-rw-r--r-- | bfd/elf32-ppc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index 3c7999b..c4d352b 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -1715,7 +1715,8 @@ ppc_elf_adjust_dynamic_symbol (info, h) 2. We know for certain that a symbol is defined in this object, because this object is the application, - is linked with -Bsymbolic, or because the symbol is local. + is linked with -Bsymbolic, the symbol is local, + or because the symbol is protected or hidden. 3. GC has rendered the entry unused. Note, however, that in an executable all references to the @@ -2675,6 +2676,13 @@ ppc_elf_finish_dynamic_symbol (output_bfd, info, h, sym) /* Mark the symbol as undefined, rather than as defined in the .plt section. Leave the value alone. */ sym->st_shndx = SHN_UNDEF; + /* If the symbol is weak, we do need to clear the value. + Otherwise, the PLT entry would provide a definition for + the symbol even if the symbol wasn't defined anywhere, + and so the symbol would never be NULL. */ + if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK) + == 0) + sym->st_value = 0; } } |