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| author | Nick Clifton <nickc@redhat.com> | 2000-12-12 20:53:02 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2000-12-12 20:53:02 +0000 |
| commit | b79e8c786598de8c85416eb3215b1a318fe34048 (patch) | |
| tree | e973b24726b6fe6cadbc177603278a1c266dd9a8 /include | |
| parent | 8141c27d66d8ce079acfe03abd80cbdb439e1b86 (diff) | |
| download | gdb-b79e8c786598de8c85416eb3215b1a318fe34048.zip gdb-b79e8c786598de8c85416eb3215b1a318fe34048.tar.gz gdb-b79e8c786598de8c85416eb3215b1a318fe34048.tar.bz2 | |
Add link option to allow undefiedn symbols in shared libraries
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 7 | ||||
| -rw-r--r-- | include/bfdlink.h | 13 |
2 files changed, 20 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 6847092..1b1af76 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,10 @@ +2000-12-10 Fred Fish <fnf@be.com> + + * bfdlink.h (struct bfd_link_info): Add new allow_shlib_undefined + member to struct for systems where it is normal to have undefined + symbols in shared libraries at runtime and the runtime linker takes + care of redirecting them. + 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu> * safe-ctype.h: New file. diff --git a/include/bfdlink.h b/include/bfdlink.h index 18c60a5..ae96323 100644 --- a/include/bfdlink.h +++ b/include/bfdlink.h @@ -201,6 +201,19 @@ struct bfd_link_info /* true if BFD should generate errors for undefined symbols even if generating a shared object. */ boolean no_undefined; + /* true if BFD should allow undefined symbols in shared objects even + when no_undefined is set to disallow undefined symbols. The net + result will be that undefined symbols in regular objects will + still trigger an error, but undefined symbols in shared objects + will be ignored. The implementation of no_undefined makes the + assumption that the runtime linker will choke on undefined + symbols. However there is at least one system (BeOS) where + undefined symbols in shared libraries is normal since the kernel + patches them at load time to select which function is most + appropriate for the current architecture. I.E. dynamically + select an appropriate memset function. Apparently it is also + normal for HPPA shared libraries to have undefined symbols. */ + boolean allow_shlib_undefined; /* Which symbols to strip. */ enum bfd_link_strip strip; /* Which local symbols to discard. */ |