[Bug ld/12365] undefined references produced by linker plugin are silently ignored

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=12365

--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> 2011-04-24 10:02:19 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Changes by:    address@hidden    2011-04-24 10:02:14

Modified files:
    include        : ChangeLog bfdlink.h 
    bfd            : ChangeLog coff-aux.c linker.c elflink.c 
    ld             : ChangeLog ldmain.c plugin.c 

Log message:
    PR ld/12365
    PR ld/12696
    include/
    * bfdlink.h (ENUM_BITFIELD): Define.
    (struct bfd_link_hash_entry): Make "type" a bitfield.  Add "non_ir_ref".
    (struct bfd_link_callbacks <notice>): Pass bfd_link_hash_entry pointer
    rather than "name".
    bfd/
    * coff-aux.c (coff_m68k_aux_link_add_one_symbol): Update "notice" call.
    * linker.c (_bfd_link_hash_newfunc): Clear bitfields.
    (_bfd_generic_link_add_one_symbol): Update "notice" call.
    * elflink.c (_bfd_elf_merge_symbol): Don't skip weak redefs when
    it is a redef of an IR symbol in a real BFD.
    ld/
    * ldmain.c (notice): Delete "name" param, add "h".
    * plugin.c (plugin_notice): Likewise.  Set non_ir_ref.  Handle
    redefinitions of IR symbols in real BFDs.
    (plugin_multiple_definition, plugin_multiple_common): Delete.
    (non_ironly_hash, init_non_ironly_hash): Delete.
    (is_visible_from_outside): Traverse entry_symbol chain.
    (get_symbols): Use non_ir_ref flag rather than hash lookup.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/include/ChangeLog.diff?cvsroot=src&r1=1.527&r2=1.528
http://sourceware.org/cgi-bin/cvsweb.cgi/src/include/bfdlink.h.diff?cvsroot=src&r1=1.83&r2=1.84
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/ChangeLog.diff?cvsroot=src&r1=1.5318&r2=1.5319
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/coff-aux.c.diff?cvsroot=src&r1=1.10&r2=1.11
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/linker.c.diff?cvsroot=src&r1=1.80&r2=1.81
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elflink.c.diff?cvsroot=src&r1=1.401&r2=1.402
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/ChangeLog.diff?cvsroot=src&r1=1.2321&r2=1.2322
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/ldmain.c.diff?cvsroot=src&r1=1.153&r2=1.154
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/plugin.c.diff?cvsroot=src&r1=1.32&r2=1.33

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