[PATCH 0/8] Use reinsert breakpoint for vCont;s

[Yao Qi <qiyaoltc at gmail dot com>]

Nowadays, reinsert breakpoint is used in GDBserver to step over a
breakpoint.  I want to use it to handle vCont;s too.  The idea is that
when GDBserver receives resume_step request from GDB, use the software
single step logic, insert reinsert_breakpoint on the next pcs, and
resume the thread.  This means we have multiple reinsert_breakpoints
for different threads for either step-over or vCont;s.  Patch #6 makes
reinsert breakpoints thread specific, patch #7 does the major thing,
and patch #8 claims supporting vCont;s with software single step.

Patch #1 and #2 fixes the existing bugs.  Patch #3, #4, and #5 refactor
the code.

The whole series are tested on arm-linux, aarch64-linux and
x86_64-linux.

*** BLURB HERE ***

Yao Qi (8):
  Switch to current thread before finish_step_over
  Delete reinsert breakpoints from forked child
  Pass breakpoint type in set_breakpoint_at
  Create sub classes of 'struct breakpoint'
  Refactor clone_all_breakpoints
  Make reinsert_breakpoint thread specific
  Use reinsert_breakpoint for vCont;s
  [GDBserver] Support vCont s and S actions with software single step

 gdb/gdbserver/linux-low.c | 180 ++++++++++++++++++++++++++--
 gdb/gdbserver/mem-break.c | 293 +++++++++++++++++++++++++++++++++-------------
 gdb/gdbserver/mem-break.h |  35 +++---
 gdb/gdbserver/server.c    |  17 +--
 4 files changed, 412 insertions(+), 113 deletions(-)

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1.9.1