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| author | Alan Modra <amodra@gmail.com> | 2004-04-15 02:55:20 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2004-04-15 02:55:20 +0000 |
| commit | 15b43f483cb30a12d97cbc8d10465e130dd92de6 (patch) | |
| tree | 42cf7b2471b3a040fa52feebeae7191cf3208963 /bfd | |
| parent | a4b6e8f6a466006ecc37ba4965a80aace7d434c2 (diff) | |
| download | gdb-15b43f483cb30a12d97cbc8d10465e130dd92de6.zip gdb-15b43f483cb30a12d97cbc8d10465e130dd92de6.tar.gz gdb-15b43f483cb30a12d97cbc8d10465e130dd92de6.tar.bz2 | |
* elflink.c (_bfd_elf_merge_symbol): Treat weak as strong only
when it is a definition.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elflink.c | 22 |
2 files changed, 18 insertions, 9 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 7aff007..e7148cb 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2004-04-15 H.J. Lu <hongjiu.lu@intel.com> + + * elflink.c (_bfd_elf_merge_symbol): Treat weak as strong only + when it is a definition. + 2004-04-14 Alan Modra <amodra@bigpond.net.au> * elf32-sparc.c (elf32_sparc_relocate_section): Don't abort diff --git a/bfd/elflink.c b/bfd/elflink.c index 4c27f88..6628db3 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -887,16 +887,20 @@ _bfd_elf_merge_symbol (bfd *abfd, oldweak = (h->root.type == bfd_link_hash_defweak || h->root.type == bfd_link_hash_undefweak); - /* If a new weak symbol comes from a regular file and the old symbol - comes from a dynamic library, we treat the new one as strong. - Similarly, an old weak symbol from a regular file is treated as - strong when the new symbol comes from a dynamic library. Further, - an old weak symbol from a dynamic library is treated as strong if - the new symbol is from a dynamic library. This reflects the way - glibc's ld.so works. */ - if (!newdyn && olddyn) + /* If a new weak symbol definition comes from a regular file and the + old symbol comes from a dynamic library, we treat the new one as + strong. Similarly, an old weak symbol definition from a regular + file is treated as strong when the new symbol comes from a dynamic + library. Further, an old weak symbol from a dynamic library is + treated as strong if the new symbol is from a dynamic library. + This reflects the way glibc's ld.so works. + + Do this before setting *type_change_ok or *size_change_ok so that + we warn properly when dynamic library symbols are overridden. */ + + if (newdef && !newdyn && olddyn) newweak = FALSE; - if (newdyn) + if (olddef && newdyn) oldweak = FALSE; /* It's OK to change the type if either the existing symbol or the |