[PATCH 0/9] Various DWARF piece fixes

[Andreas Arnez]

This patch series follows up on the proposed fix for PR21226:

  https://sourceware.org/ml/gdb-patches/2017-03/msg00110.html

The fix for that issue is now provided by patch #3.  More fixes for
various other DWARF piece handling issues are provided by patches #2, #5,
#6, and #8.  Patch #1 establishes a new test case that is extended by some
of the other patches.  Patches #4, #7, and #9 perform some clean-up.

Andreas Arnez (9):
  Add test for modifiable DWARF locations
  Fix size capping in write_pieced_value
  PR gdb/21226: Take DWARF stack value pieces from LSB end
  Remove addr_size field from struct piece_closure
  Fix issues in write_pieced_value when targeting bit-fields
  Fix handling of DWARF register pieces on big-endian targets
  Improve logic for buffer allocation in read/write_pieced_value
  Respect piece offset for DW_OP_bit_piece
  Remove unnecessary copies of variables in read/write_pieced_value

 gdb/dwarf2loc.c                            | 294 +++++++++++++--------------
 gdb/testsuite/gdb.dwarf2/nonvar-access.exp |  21 +-
 gdb/testsuite/gdb.dwarf2/var-access.c      |  25 +++
 gdb/testsuite/gdb.dwarf2/var-access.exp    | 315 +++++++++++++++++++++++++++++
 gdb/testsuite/lib/gdb-utils.exp            |   2 +-
 5 files changed, 503 insertions(+), 154 deletions(-)
 create mode 100644 gdb/testsuite/gdb.dwarf2/var-access.c
 create mode 100644 gdb/testsuite/gdb.dwarf2/var-access.exp

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2.3.0