gdb and binutils branch master updated. 9404b58f46328b3b171b0d5eeb0691bd685bc4f5

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9404b58f46328b3b171b0d5eeb0691bd685bc4f5

commit 9404b58f46328b3b171b0d5eeb0691bd685bc4f5
Author: Kyle McMartin <kmcmarti@redhat.com>
Date:   Wed Apr 30 12:04:50 2014 -0400

    aarch64: detect atomic sequences like other ll/sc architectures
    
    gdb/Changelog:
    
            * aarch64-tdep.c (aarch64_software_single_step): New function.
            (aarch64_gdbarch_init): Handle single stepping of atomic sequences
            with aarch64_software_single_step.
    
    gdb/testsuite/ChangeLog:
    
            * gdb.arch/aarch64-atomic-inst.c: New file.
            * gdb.arch/aarch64-atomic-inst.exp: New file.

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

Summary of changes:
 gdb/ChangeLog                                  |    7 ++
 gdb/aarch64-tdep.c                             |   79 ++++++++++++++++++++++++
 gdb/testsuite/ChangeLog                        |    6 ++
 gdb/testsuite/gdb.arch/aarch64-atomic-inst.c   |   48 ++++++++++++++
 gdb/testsuite/gdb.arch/aarch64-atomic-inst.exp |   48 ++++++++++++++
 5 files changed, 188 insertions(+), 0 deletions(-)
 create mode 100644 gdb/testsuite/gdb.arch/aarch64-atomic-inst.c
 create mode 100644 gdb/testsuite/gdb.arch/aarch64-atomic-inst.exp


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