diff options
Diffstat (limited to 'gdb/infrun.c')
| -rw-r--r-- | gdb/infrun.c | 188 |
1 files changed, 94 insertions, 94 deletions
diff --git a/gdb/infrun.c b/gdb/infrun.c index 53d7209..990f40a 100644 --- a/gdb/infrun.c +++ b/gdb/infrun.c @@ -1870,16 +1870,16 @@ displaced_step_fixup (thread_info *event_thread, enum gdb_signal signal) { /* Fix up the resulting state. */ gdbarch_displaced_step_fixup (displaced->step_gdbarch, - displaced->step_closure.get (), - displaced->step_original, - displaced->step_copy, - get_thread_regcache (displaced->step_thread)); + displaced->step_closure.get (), + displaced->step_original, + displaced->step_copy, + get_thread_regcache (displaced->step_thread)); ret = 1; } else { /* Since the instruction didn't complete, all we can do is - relocate the PC. */ + relocate the PC. */ struct regcache *regcache = get_thread_regcache (event_thread); CORE_ADDR pc = regcache_read_pc (regcache); @@ -2541,7 +2541,7 @@ resume_1 (enum gdb_signal sig) record that we tried to step a breakpoint instruction, so that adjust_pc_after_break doesn't end up confused. - - In non-stop if we insert a breakpoint (e.g., a step-resume) + - In non-stop if we insert a breakpoint (e.g., a step-resume) in one thread after another thread that was stepping had been momentarily paused for a step-over. When we re-resume the stepping thread, it may be resumed from that address with a @@ -3095,7 +3095,7 @@ proceed (CORE_ADDR addr, enum gdb_signal siggnal) } infrun_debug_printf ("resuming %s", - target_pid_to_str (tp->ptid).c_str ()); + target_pid_to_str (tp->ptid).c_str ()); reset_ecs (ecs, tp); switch_to_thread (tp); @@ -3766,7 +3766,7 @@ clean_up_just_stopped_threads_fsms (struct execution_control_state *ecs) if (!non_stop) { for (thread_info *thr : all_non_exited_threads ()) - { + { if (thr->thread_fsm == NULL) continue; if (thr == ecs->event_thread) @@ -4646,7 +4646,7 @@ stop_all_threads (void) } /* Use debug_prefixed_printf directly to get a meaningful function - name. */ + name. */ if (debug_infrun) debug_prefixed_printf ("infrun", "stop_all_threads", "done"); }; @@ -4907,17 +4907,17 @@ handle_no_resumed (struct execution_control_state *ecs) #0 - thread 1 is left stopped #1 - thread 2 is resumed and hits breakpoint - -> TARGET_WAITKIND_STOPPED + -> TARGET_WAITKIND_STOPPED #2 - thread 3 is resumed and exits - this is the last resumed thread, so + this is the last resumed thread, so -> TARGET_WAITKIND_NO_RESUMED #3 - gdb processes stop for thread 2 and decides to re-resume - it. + it. #4 - gdb processes the TARGET_WAITKIND_NO_RESUMED event. - thread 2 is now resumed, so the event should be ignored. + thread 2 is now resumed, so the event should be ignored. IOW, if the stop for thread 2 doesn't end a foreground command, then we need to ignore the following TARGET_WAITKIND_NO_RESUMED @@ -5121,11 +5121,11 @@ handle_inferior_event (struct execution_control_state *ecs) case TARGET_WAITKIND_LOADED: context_switch (ecs); /* Ignore gracefully during startup of the inferior, as it might - be the shell which has just loaded some objects, otherwise - add the symbols for the newly loaded objects. Also ignore at - the beginning of an attach or remote session; we will query - the full list of libraries once the connection is - established. */ + be the shell which has just loaded some objects, otherwise + add the symbols for the newly loaded objects. Also ignore at + the beginning of an attach or remote session; we will query + the full list of libraries once the connection is + established. */ stop_soon = get_inferior_stop_soon (ecs); if (stop_soon == NO_STOP_QUIETLY) @@ -5473,8 +5473,8 @@ handle_inferior_event (struct execution_control_state *ecs) handle_vfork_child_exec_or_exit (1); /* This causes the eventpoints and symbol table to be reset. - Must do this now, before trying to determine whether to - stop. */ + Must do this now, before trying to determine whether to + stop. */ follow_exec (inferior_ptid, ecs->ws.value.execd_pathname); /* In follow_exec we may have deleted the original thread and @@ -5509,7 +5509,7 @@ handle_inferior_event (struct execution_control_state *ecs) return; /* Be careful not to try to gather much state about a thread - that's in a syscall. It's frequently a losing proposition. */ + that's in a syscall. It's frequently a losing proposition. */ case TARGET_WAITKIND_SYSCALL_ENTRY: /* Getting the current syscall number. */ if (handle_syscall_event (ecs) == 0) @@ -5517,10 +5517,10 @@ handle_inferior_event (struct execution_control_state *ecs) return; /* Before examining the threads further, step this thread to - get it entirely out of the syscall. (We get notice of the - event when the thread is just on the verge of exiting a - syscall. Stepping one instruction seems to get it back - into user code.) */ + get it entirely out of the syscall. (We get notice of the + event when the thread is just on the verge of exiting a + syscall. Stepping one instruction seems to get it back + into user code.) */ case TARGET_WAITKIND_SYSCALL_RETURN: if (handle_syscall_event (ecs) == 0) process_event_stop_test (ecs); @@ -5739,7 +5739,7 @@ finish_step_over (struct execution_control_state *ecs) infrun_debug_printf ("saved stop_pc=%s for %s " "(currently_stepping=%d)", paddress (target_gdbarch (), - tp->suspend.stop_pc), + tp->suspend.stop_pc), target_pid_to_str (tp->ptid).c_str (), currently_stepping (tp)); @@ -5802,14 +5802,14 @@ handle_signal_stop (struct execution_control_state *ecs) ecs->event_thread->suspend.stop_pc)); if (target_stopped_by_watchpoint ()) { - CORE_ADDR addr; + CORE_ADDR addr; infrun_debug_printf ("stopped by watchpoint"); if (target_stopped_data_address (current_top_target (), &addr)) infrun_debug_printf ("stopped data address=%s", - paddress (reg_gdbarch, addr)); - else + paddress (reg_gdbarch, addr)); + else infrun_debug_printf ("(no data address available)"); } } @@ -5920,15 +5920,15 @@ handle_signal_stop (struct execution_control_state *ecs) || gdbarch_have_nonsteppable_watchpoint (gdbarch))) { /* At this point, we are stopped at an instruction which has - attempted to write to a piece of memory under control of - a watchpoint. The instruction hasn't actually executed - yet. If we were to evaluate the watchpoint expression - now, we would get the old value, and therefore no change - would seem to have occurred. - - In order to make watchpoints work `right', we really need - to complete the memory write, and then evaluate the - watchpoint expression. We do this by single-stepping the + attempted to write to a piece of memory under control of + a watchpoint. The instruction hasn't actually executed + yet. If we were to evaluate the watchpoint expression + now, we would get the old value, and therefore no change + would seem to have occurred. + + In order to make watchpoints work `right', we really need + to complete the memory write, and then evaluate the + watchpoint expression. We do this by single-stepping the target. It may not be necessary to disable the watchpoint to step over @@ -6024,9 +6024,9 @@ handle_signal_stop (struct execution_control_state *ecs) { /* The user issued a continue when stopped at a breakpoint. Set up for another trap and get out of here. */ - ecs->event_thread->stepping_over_breakpoint = 1; - keep_going (ecs); - return; + ecs->event_thread->stepping_over_breakpoint = 1; + keep_going (ecs); + return; } else if (step_through_delay) { @@ -6542,8 +6542,8 @@ process_event_stop_test (struct execution_control_state *ecs) infrun_debug_printf ("step-resume breakpoint is inserted"); /* Having a step-resume breakpoint overrides anything - else having to do with stepping commands until - that breakpoint is reached. */ + else having to do with stepping commands until + that breakpoint is reached. */ keep_going (ecs); return; } @@ -6660,10 +6660,10 @@ process_event_stop_test (struct execution_control_state *ecs) { infrun_debug_printf ("stepped into signal trampoline"); /* The inferior, while doing a "step" or "next", has ended up in - a signal trampoline (either by a signal being delivered or by - the signal handler returning). Just single-step until the - inferior leaves the trampoline (either by calling the handler - or returning). */ + a signal trampoline (either by a signal being delivered or by + the signal handler returning). Just single-step until the + inferior leaves the trampoline (either by calling the handler + or returning). */ keep_going (ecs); return; } @@ -6803,10 +6803,10 @@ process_event_stop_test (struct execution_control_state *ecs) } /* If we are in a function call trampoline (a stub between the - calling routine and the real function), locate the real - function. That's what tells us (a) whether we want to step - into it at all, and (b) what prologue we want to run to the - end of, if we do step into it. */ + calling routine and the real function), locate the real + function. That's what tells us (a) whether we want to step + into it at all, and (b) what prologue we want to run to the + end of, if we do step into it. */ real_stop_pc = skip_language_trampoline (frame, stop_pc); if (real_stop_pc == 0) real_stop_pc = gdbarch_skip_trampoline_code (gdbarch, frame, stop_pc); @@ -6829,9 +6829,9 @@ process_event_stop_test (struct execution_control_state *ecs) thinking of stepping into and the function isn't on the skip list, step into it. - If there are several symtabs at that PC (e.g. with include - files), just want to know whether *any* of them have line - numbers. find_pc_line handles this. */ + If there are several symtabs at that PC (e.g. with include + files), just want to know whether *any* of them have line + numbers. find_pc_line handles this. */ { struct symtab_and_line tmp_sal; @@ -6850,8 +6850,8 @@ process_event_stop_test (struct execution_control_state *ecs) } /* If we have no line number and the step-stop-if-no-debug is - set, we stop the step so that the user has a chance to switch - in assembly mode. */ + set, we stop the step so that the user has a chance to switch + in assembly mode. */ if (ecs->event_thread->control.step_over_calls == STEP_OVER_UNDEBUGGABLE && step_stop_if_no_debug) { @@ -6936,13 +6936,13 @@ process_event_stop_test (struct execution_control_state *ecs) infrun_debug_printf ("stepped into undebuggable function"); /* The inferior just stepped into, or returned to, an - undebuggable function (where there is no debugging information - and no line number corresponding to the address where the - inferior stopped). Since we want to skip this kind of code, - we keep going until the inferior returns from this - function - unless the user has asked us not to (via - set step-mode) or we no longer know how to get back - to the call site. */ + undebuggable function (where there is no debugging information + and no line number corresponding to the address where the + inferior stopped). Since we want to skip this kind of code, + we keep going until the inferior returns from this + function - unless the user has asked us not to (via + set step-mode) or we no longer know how to get back + to the call site. */ if (step_stop_if_no_debug || !frame_id_p (frame_unwind_caller_id (frame))) { @@ -6965,7 +6965,7 @@ process_event_stop_test (struct execution_control_state *ecs) if (ecs->event_thread->control.step_range_end == 1) { /* It is stepi or nexti. We always want to stop stepping after - one instruction. */ + one instruction. */ infrun_debug_printf ("stepi/nexti"); end_stepping_range (ecs); return; @@ -6974,9 +6974,9 @@ process_event_stop_test (struct execution_control_state *ecs) if (stop_pc_sal.line == 0) { /* We have no line number information. That means to stop - stepping (does this always happen right after one instruction, - when we do "s" in a function with no line numbers, - or can this happen as a result of a return or longjmp?). */ + stepping (does this always happen right after one instruction, + when we do "s" in a function with no line numbers, + or can this happen as a result of a return or longjmp?). */ infrun_debug_printf ("line number info"); end_stepping_range (ecs); return; @@ -7188,7 +7188,7 @@ switch_back_to_stepped_thread (struct execution_control_state *ecs) stepping_thread = NULL; for (thread_info *tp : all_non_exited_threads ()) - { + { switch_to_thread_no_regs (tp); /* Ignore threads of processes the caller is not @@ -7423,13 +7423,13 @@ handle_step_into_function (struct gdbarch *gdbarch, sr_sal.pspace = get_frame_program_space (get_current_frame ()); /* Do not specify what the fp should be when we stop since on - some machines the prologue is where the new fp value is - established. */ + some machines the prologue is where the new fp value is + established. */ insert_step_resume_breakpoint_at_sal (gdbarch, sr_sal, null_frame_id); /* And make sure stepping stops right away then. */ ecs->event_thread->control.step_range_end - = ecs->event_thread->control.step_range_start; + = ecs->event_thread->control.step_range_start; } keep_going (ecs); } @@ -8628,7 +8628,7 @@ handle_command (const char *args, int from_tty) } /* If any signal numbers or symbol names were found, set flags for - which signals to apply actions to. */ + which signals to apply actions to. */ for (int signum = sigfirst; signum >= 0 && signum <= siglast; signum++) { @@ -8852,8 +8852,8 @@ public: /* Capture state from GDBARCH, TP, and REGCACHE that must be restored once the inferior function call has finished. */ infcall_suspend_state (struct gdbarch *gdbarch, - const struct thread_info *tp, - struct regcache *regcache) + const struct thread_info *tp, + struct regcache *regcache) : m_thread_suspend (tp->suspend), m_registers (new readonly_detached_regcache (*regcache)) { @@ -8861,23 +8861,23 @@ public: if (gdbarch_get_siginfo_type_p (gdbarch)) { - struct type *type = gdbarch_get_siginfo_type (gdbarch); - size_t len = TYPE_LENGTH (type); + struct type *type = gdbarch_get_siginfo_type (gdbarch); + size_t len = TYPE_LENGTH (type); - siginfo_data.reset ((gdb_byte *) xmalloc (len)); + siginfo_data.reset ((gdb_byte *) xmalloc (len)); - if (target_read (current_top_target (), TARGET_OBJECT_SIGNAL_INFO, NULL, - siginfo_data.get (), 0, len) != len) - { - /* Errors ignored. */ - siginfo_data.reset (nullptr); - } + if (target_read (current_top_target (), TARGET_OBJECT_SIGNAL_INFO, NULL, + siginfo_data.get (), 0, len) != len) + { + /* Errors ignored. */ + siginfo_data.reset (nullptr); + } } if (siginfo_data) { - m_siginfo_gdbarch = gdbarch; - m_siginfo_data = std::move (siginfo_data); + m_siginfo_gdbarch = gdbarch; + m_siginfo_data = std::move (siginfo_data); } } @@ -8891,18 +8891,18 @@ public: /* Restores the stored state into GDBARCH, TP, and REGCACHE. */ void restore (struct gdbarch *gdbarch, - struct thread_info *tp, - struct regcache *regcache) const + struct thread_info *tp, + struct regcache *regcache) const { tp->suspend = m_thread_suspend; if (m_siginfo_gdbarch == gdbarch) { - struct type *type = gdbarch_get_siginfo_type (gdbarch); + struct type *type = gdbarch_get_siginfo_type (gdbarch); - /* Errors ignored. */ - target_write (current_top_target (), TARGET_OBJECT_SIGNAL_INFO, NULL, - m_siginfo_data.get (), 0, TYPE_LENGTH (type)); + /* Errors ignored. */ + target_write (current_top_target (), TARGET_OBJECT_SIGNAL_INFO, NULL, + m_siginfo_data.get (), 0, TYPE_LENGTH (type)); } /* The inferior can be gone if the user types "print exit(0)" @@ -9429,10 +9429,10 @@ Set mode for locking scheduler during execution."), _("\ Show mode for locking scheduler during execution."), _("\ off == no locking (threads may preempt at any time)\n\ on == full locking (no thread except the current thread may run)\n\ - This applies to both normal execution and replay mode.\n\ + This applies to both normal execution and replay mode.\n\ step == scheduler locked during stepping commands (step, next, stepi, nexti).\n\ - In this mode, other threads may run during other commands.\n\ - This applies to both normal execution and replay mode.\n\ + In this mode, other threads may run during other commands.\n\ + This applies to both normal execution and replay mode.\n\ replay == scheduler locked in replay mode and unlocked during normal execution."), set_schedlock_func, /* traps on target vector */ show_scheduler_mode, |