gdb and binutils branch master updated. a82c7d9030b67a6a76a5403d0e1641f9e42141ac

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a82c7d9030b67a6a76a5403d0e1641f9e42141ac

commit a82c7d9030b67a6a76a5403d0e1641f9e42141ac
Author: David Weatherford <weath@cadence.com>
Date:   Fri Mar 21 11:53:42 2014 +0000

    Add support to the Xtensa target for creating trampolines for out-of-range branches.
    
        * tc-xtensa.c (xtensa_check_frag_count, xtensa_create_trampoline_frag)
        (xtensa_maybe_create_trampoline_frag, init_trampoline_frag)
        (find_trampoline_seg, search_trampolines, get_best_trampoline)
        (check_and_update_trampolines, add_jump_to_trampoline)
        (dump_trampolines): New function.
        (md_parse_option): Add cases for --[no-]trampolines options.
        (md_assemble, finish_vinsn, xtensa_end): Add call to
        xtensa_check_frag_count.
        (xg_assemble_vliw_tokens): Add call to
        xtensa_maybe_create_trampoline_frag.
        (xtensa_relax_frag): Relax fragments with RELAX_TRAMPOLINE state.
        (relax_frag_immed): Relax jump instructions that cannot reach its
        target.
        * tc-xtensa.h (xtensa_relax_statesE::RELAX_TRAMPOLINE): New relax
        state.
    
        * as.texinfo: Document --[no-]trampolines command-line options.
        * c-xtensa.texi: Document trampolines relaxation and command line
        options.
    
        * frags.c (get_frag_count, clear_frag_count): New function.
        (frag_alloc): Increment totalfrags counter.
        * frags.h (get_frag_count, clear_frag_count): New function.
    
        * all.exp: Add test for trampoline relaxation.
        * trampoline.d: Trampoline relaxation expected dump.
        * trampoline.s: Trampoline relaxation test source.

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

Summary of changes:
 gas/ChangeLog                         |   26 ++
 gas/config/tc-xtensa.c                |  558 ++++++++++++++++++++++++++++++++-
 gas/config/tc-xtensa.h                |    5 +
 gas/doc/as.texinfo                    |    1 +
 gas/doc/c-xtensa.texi                 |   92 ++++++
 gas/frags.c                           |   15 +
 gas/frags.h                           |    3 +
 gas/testsuite/ChangeLog               |    7 +
 gas/testsuite/gas/xtensa/all.exp      |    1 +
 gas/testsuite/gas/xtensa/trampoline.d |   26 ++
 gas/testsuite/gas/xtensa/trampoline.s |   21 ++
 11 files changed, 753 insertions(+), 2 deletions(-)
 create mode 100644 gas/testsuite/gas/xtensa/trampoline.d
 create mode 100644 gas/testsuite/gas/xtensa/trampoline.s


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