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| author | H.J. Lu <hjl.tools@gmail.com> | 2016-03-08 05:28:55 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-03-08 05:30:51 -0800 |
| commit | 202ac193bbbecc96a4978d1ac3d17148253f9b01 (patch) | |
| tree | 8c2f92edb7397be31f6d8a0b71f5e9b2a84254e3 | |
| parent | 72f3b6aae734d8cdcded38aca94e379848bec7ef (diff) | |
| download | gdb-202ac193bbbecc96a4978d1ac3d17148253f9b01.zip gdb-202ac193bbbecc96a4978d1ac3d17148253f9b01.tar.gz gdb-202ac193bbbecc96a4978d1ac3d17148253f9b01.tar.bz2 | |
Group common symbol checking together
PR ld/19579
* elflink.c (_bfd_elf_merge_symbol): Group common symbol checking
together.
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 12 |
2 files changed, 12 insertions, 6 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2b6cf15..c3b9132 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2016-03-08 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/19579 + * elflink.c (_bfd_elf_merge_symbol): Group common symbol checking + together. + 2016-03-08 Cupertino Miranda <Cupertino.Miranda@synopsys.com> Andrew Burgess <andrew.burgess@embecosm.com> diff --git a/bfd/elflink.c b/bfd/elflink.c index 39157bf..ccff780 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -1172,12 +1172,9 @@ _bfd_elf_merge_symbol (bfd *abfd, newdef = !bfd_is_und_section (sec) && !bfd_is_com_section (sec); - /* The old common symbol in executable is a definition if the new - definition comes from a shared library. */ olddef = (h->root.type != bfd_link_hash_undefined && h->root.type != bfd_link_hash_undefweak - && (h->root.type != bfd_link_hash_common - || (!olddyn && newdyn && bfd_link_executable (info)))); + && h->root.type != bfd_link_hash_common); /* NEWFUNC and OLDFUNC indicate whether the new or old symbol, respectively, appear to be a function. */ @@ -1489,13 +1486,16 @@ _bfd_elf_merge_symbol (bfd *abfd, represent variables; this can cause confusion in principle, but any such confusion would seem to indicate an erroneous program or shared library. We also permit a common symbol in a regular - object to override a weak symbol in a shared object. */ + object to override a weak symbol in a shared object. A common + symbol in executable also overrides a symbol in a shared object. */ if (newdyn && newdef && (olddef || (h->root.type == bfd_link_hash_common - && (newweak || newfunc)))) + && (newweak + || newfunc + || (!olddyn && bfd_link_executable (info)))))) { *override = TRUE; newdef = FALSE; |