[Bug ld/13909] PR ld/12570 causes eh_frame_hdr section to be sometimes too large

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13909

--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> 2012-05-25 01:12:26 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Changes by:    address@hidden    2012-05-25 01:12:20

Modified files:
    bfd            : ChangeLog elf-eh-frame.c elf-bfd.h elflink.c 
                     elf32-ppc.c elf64-ppc.c elf32-i386.c 
                     elf64-x86-64.c 

Log message:
    PR ld/13909
    * elf-eh-frame.c (_bfd_elf_eh_frame_present): New function.
    (_bfd_elf_maybe_strip_eh_frame_hdr): Use it here.
    * elf-bfd.h (_bfd_elf_eh_frame_present): Declare.
    * elflink.c (bfd_elf_size_dynamic_sections): Let the backend
    size dynamic sections before stripping eh_frame_hdr.
    (bfd_elf_gc_sections): Handle multiple .eh_frame sections.
    * elf32-ppc.c (ppc_elf_size_dynamic_sections): Drop glink_eh_frame
    if no other .eh_frame sections exist.
    * elf64-ppc.c (ppc64_elf_size_stubs): Likewise.
    * elf32-i386.c (elf_i386_create_dynamic_sections): Don't size
    or alloc plt_eh_frame here..
    (elf_i386_size_dynamic_sections): ..do it here instead.  Don't
    specially keep sgotplt, iplt, tgotplt, sdynbss for symbols.
    (elf_i386_finish_dynamic_sections): Check plt_eh_frame->contents
    before writing plt offset.
    * elf64-x86-64.c (elf_x86_64_create_dynamic_sections): Don't size
    or alloc plt_eh_frame here..
    (elf_x86_64_size_dynamic_sections): ..do it here instead.
    (elf_x86_64_finish_dynamic_sections): Check plt_eh_frame->contents
    before writing plt offset.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/ChangeLog.diff?cvsroot=src&r1=1.5712&r2=1.5713
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf-eh-frame.c.diff?cvsroot=src&r1=1.89&r2=1.90
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf-bfd.h.diff?cvsroot=src&r1=1.338&r2=1.339
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elflink.c.diff?cvsroot=src&r1=1.444&r2=1.445
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf32-ppc.c.diff?cvsroot=src&r1=1.316&r2=1.317
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf64-ppc.c.diff?cvsroot=src&r1=1.384&r2=1.385
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf32-i386.c.diff?cvsroot=src&r1=1.276&r2=1.277
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf64-x86-64.c.diff?cvsroot=src&r1=1.266&r2=1.267

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