This is only important on targets where DECR_PC_AFTER_BREAK
is non-zero. The prev_pc test is meant to distinguish between
singlestepping a trap instruction, and singlestepping thru a
- jump to the instruction following a trap instruction. */
-
+ jump to the instruction following a trap instruction.
+
+ Therefore, pass TRUE if our reason for stopping is
+ something other than hitting a breakpoint. We do this by
+ checking that either: we detected earlier a software single
+ step trap or, 1) stepping is going on and 2) we didn't hit
+ a breakpoint in a signal handler without an intervening stop
+ in sigtramp, which is detected by a new stack pointer value
+ below any usual function calling stack adjustments. */
stop_bpstat =
bpstat_stop_status
(&stop_pc,
- /* Pass TRUE if our reason for stopping is something other
- than hitting a breakpoint. We do this by checking that
- either we detected earlier a software single step trap or
- 1) stepping is going on and 2) we didn't hit a breakpoint
- in a signal handler without an intervening stop in
- sigtramp, which is detected by a new stack pointer value
- below any usual function calling stack adjustments. */
sw_single_step_trap_p
|| (currently_stepping (ecs)
&& prev_pc != stop_pc - DECR_PC_AFTER_BREAK