[Bug server/17457] aarch64/gdbserver: wrong floating point registers display

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https://sourceware.org/bugzilla/show_bug.cgi?id=17457

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=bf330350c212fb8880faab663f5b3565319d0a95

commit bf330350c212fb8880faab663f5b3565319d0a95
Author: Catalin Udma <catalin.udma@freescale.com>
Date:   Tue Dec 16 09:51:42 2014 +0200

    aarch64/gdbserver: fix floating point registers display

    When using aarch64 gdb with gdbserver, floating point registers are
    not correctly displayed, as below:
      (gdb) info registers fpsr fpcr
      fpsr           <unavailable>
      fpcr           <unavailable>

    To fix these problems, the missing fpsr and fpcr registers are added
    when floating point registers are read/write
    Add test for aarch64 floating point
    PR server/17457

    gdb/gdbserver/

        PR server/17457
        * linux-aarch64-low.c (AARCH64_FPSR_REGNO): New define.
        (AARCH64_FPCR_REGNO): Likewise.
        (AARCH64_NUM_REGS): Update to include fpsr/fpcr registers.
        (aarch64_fill_fpregset): Add missing fpsr/fpcr registers.
        (aarch64_store_fpregset): Likewise.

    gdb/testsuite/

        PR server/17457
        * gdb.arch/aarch64-fp.c: New file.
        * gdb.arch/aarch64-fp.exp: New file.

    Signed-off-by: Catalin Udma <catalin.udma@freescale.com>

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

Summary of changes:
 gdb/gdbserver/ChangeLog               |    9 ++++
 gdb/gdbserver/linux-aarch64-low.c     |    8 +++-
 gdb/testsuite/ChangeLog               |    6 ++
 gdb/testsuite/gdb.arch/aarch64-fp.c   |   38 +++++++++++++++
 gdb/testsuite/gdb.arch/aarch64-fp.exp |   85 +++++++++++++++++++++++++++++++++
 5 files changed, 145 insertions(+), 1 deletions(-)
 create mode 100644 gdb/testsuite/gdb.arch/aarch64-fp.c
 create mode 100644 gdb/testsuite/gdb.arch/aarch64-fp.exp

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