- else
- {
- /* When using hardware single-step, a SIGTRAP is reported for
- both a completed single-step and a software breakpoint. Need
- to differentiate between the two as the latter needs
- adjusting but the former does not.
-
- When the thread to be examined does not match the current thread
- context we can't use currently_stepping, so assume no
- single-stepping in this case. */
- if (ptid_equal (ecs->ptid, inferior_ptid) && currently_stepping (ecs))
- {
- if (prev_pc == breakpoint_pc
- && software_breakpoint_inserted_here_p (breakpoint_pc))
- /* Hardware single-stepped a software breakpoint (as
- occures when the inferior is resumed with PC pointing
- at not-yet-hit software breakpoint). Since the
- breakpoint really is executed, the inferior needs to be
- backed up to the breakpoint address. */
- write_pc_pid (breakpoint_pc, ecs->ptid);
- }
- else
- {
- if (software_breakpoint_inserted_here_p (breakpoint_pc))
- /* The inferior was free running (i.e., no hardware
- single-step and no possibility of a false SIGTRAP) and
- hit a software breakpoint. */
- write_pc_pid (breakpoint_pc, ecs->ptid);
- }
- }