gdb and binutils branch binutils-2_24-branch updated. 378219821465273a1826c13364369a92f01ea493

[amodra@sourceware.org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=378219821465273a1826c13364369a92f01ea493

commit 378219821465273a1826c13364369a92f01ea493
Author: Alan Modra <amodra@gmail.com>
Date:   Tue Mar 25 15:12:48 2014 +1030

    Referencing a function's address on PowerPC64 ELFv2
    
    ELFv2 needs to create plt entries in a non-PIC executable for an
    address reference to a function defined in a shared object.  It's
    possible that an object file has no features that distinguish it as
    ELFv1 or ELFv2, eg. an object only containing data.  Such files need
    to be handled like those that are known to be ELFv2.
    However, this unnecessarily creates plt entries for the analogous
    ELFv1 case, so arrange to set output abi version earlier, and use the
    output abi version to further distinguish ambiguous input files.
    
    bfd/
    	* elf64-ppc.c (ppc64_elf_check_relocs): Account for possibly
    	needed plt entries when taking the address of functions for
    	abiversion == 0 (ie. unknown) as well as abiversion == 2.
    	Move opd setup and abiversion checks to..
    	(ppc64_elf_before_check_relocs): ..here.  Renamed from
    	ppc64_elf_process_dot_syms.  Set output abiversion from input and
    	input abiversion from output, if either is not set.
    	(ppc64_elf_merge_private_bfd_data): Don't merge flags here.
    	(elf_backend_check_directives): Update.
    ld/testsuite/
    	* ld-powerpc/startv1.s, * ld-powerpc/startv2.s, * ld-powerpc/funref.s,
    	* ld-powerpc/funv1.s, * ld-powerpc/funv2.s,
    	* ld-powerpc/ambiguousv1.d, * ld-powerpc/ambiguousv2.d: New test files.
    	* ld-powerpc/powerpc.exp: Run new tests.

-----------------------------------------------------------------------

Summary of changes:
 bfd/ChangeLog                         |   11 ++++
 bfd/elf64-ppc.c                       |  106 +++++++++++++++++++-------------
 ld/testsuite/ChangeLog                |    6 ++
 ld/testsuite/ld-powerpc/ambiguousv1.d |   12 ++++
 ld/testsuite/ld-powerpc/ambiguousv2.d |   12 ++++
 ld/testsuite/ld-powerpc/funref.s      |    4 +
 ld/testsuite/ld-powerpc/funv1.s       |   10 +++
 ld/testsuite/ld-powerpc/funv2.s       |    6 ++
 ld/testsuite/ld-powerpc/powerpc.exp   |    4 +
 ld/testsuite/ld-powerpc/startv1.s     |    8 +++
 ld/testsuite/ld-powerpc/startv2.s     |    5 ++
 11 files changed, 141 insertions(+), 43 deletions(-)
 create mode 100644 ld/testsuite/ld-powerpc/ambiguousv1.d
 create mode 100644 ld/testsuite/ld-powerpc/ambiguousv2.d
 create mode 100644 ld/testsuite/ld-powerpc/funref.s
 create mode 100644 ld/testsuite/ld-powerpc/funv1.s
 create mode 100644 ld/testsuite/ld-powerpc/funv2.s
 create mode 100644 ld/testsuite/ld-powerpc/startv1.s
 create mode 100644 ld/testsuite/ld-powerpc/startv2.s


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