sys/types.h cleanup
[deliverable/binutils-gdb.git] / gdb / breakpoint.c
index 0ff4683362064a9a3d7244202eebb06557ccc781..897b664e8723185ab7c93d3e63fc947a772d806c 100644 (file)
@@ -35,7 +35,7 @@
 #include "gdbthread.h"
 #include "target.h"
 #include "language.h"
-#include "gdb_string.h"
+#include <string.h>
 #include "gdb-demangle.h"
 #include "filenames.h"
 #include "annotate.h"
@@ -86,6 +86,7 @@
 enum exception_event_kind
 {
   EX_EVENT_THROW,
+  EX_EVENT_RETHROW,
   EX_EVENT_CATCH
 };
 
@@ -118,7 +119,6 @@ static void create_sals_from_address_default (char **,
 
 static void create_breakpoints_sal_default (struct gdbarch *,
                                            struct linespec_result *,
-                                           struct linespec_sals *,
                                            char *, char *, enum bptype,
                                            enum bpdisp, int, int,
                                            int,
@@ -230,11 +230,6 @@ static void stopin_command (char *arg, int from_tty);
 
 static void stopat_command (char *arg, int from_tty);
 
-static char *ep_parse_optional_if_clause (char **arg);
-
-static void catch_exception_command_1 (enum exception_event_kind ex_event, 
-                                      char *arg, int tempflag, int from_tty);
-
 static void tcatch_command (char *arg, int from_tty);
 
 static void detach_single_step_breakpoints (void);
@@ -305,7 +300,7 @@ struct breakpoint_ops bkpt_breakpoint_ops;
 static struct breakpoint_ops bkpt_probe_breakpoint_ops;
 
 /* Dynamic printf class type.  */
-static struct breakpoint_ops dprintf_breakpoint_ops;
+struct breakpoint_ops dprintf_breakpoint_ops;
 
 /* The style in which to perform a dynamic printf.  This is a user
    option because different output options have different tradeoffs;
@@ -1016,27 +1011,14 @@ condition_completer (struct cmd_list_element *cmd,
       len = strlen (text);
 
       ALL_BREAKPOINTS (b)
-      {
-       int single = b->loc->next == NULL;
-       struct bp_location *loc;
-       int count = 1;
-
-       for (loc = b->loc; loc; loc = loc->next)
-         {
-           char location[50];
-
-           if (single)
-             xsnprintf (location, sizeof (location), "%d", b->number);
-           else
-             xsnprintf (location, sizeof (location),  "%d.%d", b->number,
-                        count);
+       {
+         char number[50];
 
-           if (strncmp (location, text, len) == 0)
-             VEC_safe_push (char_ptr, result, xstrdup (location));
+         xsnprintf (number, sizeof (number), "%d", b->number);
 
-           ++count;
-         }
-      }
+         if (strncmp (number, text, len) == 0)
+           VEC_safe_push (char_ptr, result, xstrdup (number));
+       }
 
       return result;
     }
@@ -1142,12 +1124,25 @@ validate_commands_for_breakpoint (struct breakpoint *b,
 {
   if (is_tracepoint (b))
     {
-      /* We need to verify that each top-level element of commands is
-        valid for tracepoints, that there's at most one
-        while-stepping element, and that while-stepping's body has
-        valid tracing commands excluding nested while-stepping.  */
+      struct tracepoint *t = (struct tracepoint *) b;
       struct command_line *c;
       struct command_line *while_stepping = 0;
+
+      /* Reset the while-stepping step count.  The previous commands
+         might have included a while-stepping action, while the new
+         ones might not.  */
+      t->step_count = 0;
+
+      /* We need to verify that each top-level element of commands is
+        valid for tracepoints, that there's at most one
+        while-stepping element, and that the while-stepping's body
+        has valid tracing commands excluding nested while-stepping.
+        We also need to validate the tracepoint action line in the
+        context of the tracepoint --- validate_actionline actually
+        has side effects, like setting the tracepoint's
+        while-stepping STEP_COUNT, in addition to checking if the
+        collect/teval actions parse and make sense in the
+        tracepoint's context.  */
       for (c = commands; c; c = c->next)
        {
          if (c->control_type == while_stepping_control)
@@ -1165,6 +1160,8 @@ validate_commands_for_breakpoint (struct breakpoint *b,
              else
                while_stepping = c;
            }
+
+         validate_actionline (c->line, b);
        }
       if (while_stepping)
        {
@@ -1798,11 +1795,19 @@ update_watchpoint (struct watchpoint *b, int reparse)
      don't try to insert watchpoint.  We don't automatically delete
      such watchpoint, though, since failure to parse expression
      is different from out-of-scope watchpoint.  */
-  if ( !target_has_execution)
+  if (!target_has_execution)
     {
       /* Without execution, memory can't change.  No use to try and
         set watchpoint locations.  The watchpoint will be reset when
         the target gains execution, through breakpoint_re_set.  */
+      if (!can_use_hw_watchpoints)
+       {
+         if (b->base.ops->works_in_software_mode (&b->base))
+           b->base.type = bp_watchpoint;
+         else
+           error (_("Can't set read/access watchpoint when "
+                    "hardware watchpoints are disabled."));
+       }
     }
   else if (within_current_scope && b->exp)
     {
@@ -1810,7 +1815,7 @@ update_watchpoint (struct watchpoint *b, int reparse)
       struct value *val_chain, *v, *result, *next;
       struct program_space *frame_pspace;
 
-      fetch_subexp_value (b->exp, &pc, &v, &result, &val_chain);
+      fetch_subexp_value (b->exp, &pc, &v, &result, &val_chain, 0);
 
       /* Avoid setting b->val if it's already set.  The meaning of
         b->val is 'the last value' user saw, and we should update
@@ -1942,8 +1947,14 @@ update_watchpoint (struct watchpoint *b, int reparse)
                }
            }
          else if (!b->base.ops->works_in_software_mode (&b->base))
-           error (_("Expression cannot be implemented with "
-                    "read/access watchpoint."));
+           {
+             if (!can_use_hw_watchpoints)
+               error (_("Can't set read/access watchpoint when "
+                        "hardware watchpoints are disabled."));
+             else
+               error (_("Expression cannot be implemented with "
+                        "read/access watchpoint."));
+           }
          else
            b->base.type = bp_watchpoint;
 
@@ -2047,7 +2058,6 @@ static struct agent_expr *
 parse_cond_to_aexpr (CORE_ADDR scope, struct expression *cond)
 {
   struct agent_expr *aexpr = NULL;
-  struct cleanup *old_chain = NULL;
   volatile struct gdb_exception ex;
 
   if (!cond)
@@ -2185,7 +2195,6 @@ parse_cmd_to_aexpr (CORE_ADDR scope, char *cmd)
   struct cleanup *old_cleanups = 0;
   struct expression *expr, **argvec;
   struct agent_expr *aexpr = NULL;
-  struct cleanup *old_chain = NULL;
   volatile struct gdb_exception ex;
   const char *cmdrest;
   const char *format_start, *format_end;
@@ -2252,6 +2261,8 @@ parse_cmd_to_aexpr (CORE_ADDR scope, char *cmd)
                          fpieces, nargs, argvec);
     }
 
+  do_cleanups (old_cleanups);
+
   if (ex.reason < 0)
     {
       /* If we got here, it means the command could not be parsed to a valid
@@ -2260,8 +2271,6 @@ parse_cmd_to_aexpr (CORE_ADDR scope, char *cmd)
       return NULL;
     }
 
-  do_cleanups (old_cleanups);
-
   /* We have a valid agent expression, return it.  */
   return aexpr;
 }
@@ -2334,11 +2343,11 @@ build_target_command_list (struct bp_location *bl)
            {
              /* Only go as far as the first NULL bytecode is
                 located.  */
-             if (!loc->cond_bytecode)
+             if (loc->cmd_bytecode == NULL)
                return;
 
-             free_agent_expr (loc->cond_bytecode);
-             loc->cond_bytecode = NULL;
+             free_agent_expr (loc->cmd_bytecode);
+             loc->cmd_bytecode = NULL;
            }
        }
     }
@@ -2575,15 +2584,16 @@ insert_bp_location (struct bp_location *bl,
                }
              else
                {
+                 char *message = memory_error_message (TARGET_XFER_E_IO,
+                                                       bl->gdbarch, bl->address);
+                 struct cleanup *old_chain = make_cleanup (xfree, message);
+
                  fprintf_unfiltered (tmp_error_stream, 
-                                     "Cannot insert breakpoint %d.\n", 
-                                     bl->owner->number);
-                 fprintf_filtered (tmp_error_stream, 
-                                   "Error accessing memory address ");
-                 fputs_filtered (paddress (bl->gdbarch, bl->address),
-                                 tmp_error_stream);
-                 fprintf_filtered (tmp_error_stream, ": %s.\n",
-                                   safe_strerror (val));
+                                     "Cannot insert breakpoint %d.\n"
+                                     "%s\n",
+                                     bl->owner->number, message);
+
+                 do_cleanups (old_chain);
                }
 
            }
@@ -2933,6 +2943,30 @@ remove_breakpoints (void)
   return val;
 }
 
+/* When a thread exits, remove breakpoints that are related to
+   that thread.  */
+
+static void
+remove_threaded_breakpoints (struct thread_info *tp, int silent)
+{
+  struct breakpoint *b, *b_tmp;
+
+  ALL_BREAKPOINTS_SAFE (b, b_tmp)
+    {
+      if (b->thread == tp->num && user_breakpoint_p (b))
+       {
+         b->disposition = disp_del_at_next_stop;
+
+         printf_filtered (_("\
+Thread-specific breakpoint %d deleted - thread %d no longer in the thread list.\n"),
+                         b->number, tp->num);
+
+         /* Hide it from the user.  */
+         b->number = 0;
+       }
+    }
+}
+
 /* Remove breakpoints of process PID.  */
 
 int
@@ -3192,15 +3226,28 @@ create_longjmp_master_breakpoint (void)
       struct breakpoint_objfile_data *bp_objfile_data;
 
       gdbarch = get_objfile_arch (objfile);
-      if (!gdbarch_get_longjmp_target_p (gdbarch))
-       continue;
 
       bp_objfile_data = get_breakpoint_objfile_data (objfile);
 
       if (!bp_objfile_data->longjmp_searched)
        {
-         bp_objfile_data->longjmp_probes
-           = find_probes_in_objfile (objfile, "libc", "longjmp");
+         VEC (probe_p) *ret;
+
+         ret = find_probes_in_objfile (objfile, "libc", "longjmp");
+         if (ret != NULL)
+           {
+             /* We are only interested in checking one element.  */
+             struct probe *p = VEC_index (probe_p, ret, 0);
+
+             if (!can_evaluate_probe_arguments (p))
+               {
+                 /* We cannot use the probe interface here, because it does
+                    not know how to evaluate arguments.  */
+                 VEC_free (probe_p, ret);
+                 ret = NULL;
+               }
+           }
+         bp_objfile_data->longjmp_probes = ret;
          bp_objfile_data->longjmp_searched = 1;
        }
 
@@ -3228,6 +3275,9 @@ create_longjmp_master_breakpoint (void)
          continue;
        }
 
+      if (!gdbarch_get_longjmp_target_p (gdbarch))
+       continue;
+
       for (i = 0; i < NUM_LONGJMP_NAMES; i++)
        {
          struct breakpoint *b;
@@ -3341,8 +3391,24 @@ create_exception_master_breakpoint (void)
       /* We prefer the SystemTap probe point if it exists.  */
       if (!bp_objfile_data->exception_searched)
        {
-         bp_objfile_data->exception_probes
-           = find_probes_in_objfile (objfile, "libgcc", "unwind");
+         VEC (probe_p) *ret;
+
+         ret = find_probes_in_objfile (objfile, "libgcc", "unwind");
+
+         if (ret != NULL)
+           {
+             /* We are only interested in checking one element.  */
+             struct probe *p = VEC_index (probe_p, ret, 0);
+
+             if (!can_evaluate_probe_arguments (p))
+               {
+                 /* We cannot use the probe interface here, because it does
+                    not know how to evaluate arguments.  */
+                 VEC_free (probe_p, ret);
+                 ret = NULL;
+               }
+           }
+         bp_objfile_data->exception_probes = ret;
          bp_objfile_data->exception_searched = 1;
        }
 
@@ -3531,7 +3597,7 @@ detach_breakpoints (ptid_t ptid)
   struct cleanup *old_chain = save_inferior_ptid ();
   struct inferior *inf = current_inferior ();
 
-  if (PIDGET (ptid) == PIDGET (inferior_ptid))
+  if (ptid_get_pid (ptid) == ptid_get_pid (inferior_ptid))
     error (_("Cannot detach breakpoints of inferior_ptid"));
 
   /* Set inferior_ptid; remove_breakpoint_1 uses this global.  */
@@ -3541,6 +3607,15 @@ detach_breakpoints (ptid_t ptid)
     if (bl->pspace != inf->pspace)
       continue;
 
+    /* This function must physically remove breakpoints locations
+       from the specified ptid, without modifying the breakpoint
+       package's state.  Locations of type bp_loc_other are only
+       maintained at GDB side.  So, there is no need to remove
+       these bp_loc_other locations.  Moreover, removing these
+       would modify the breakpoint package's state.  */
+    if (bl->loc_type == bp_loc_other)
+      continue;
+
     if (bl->inserted)
       val |= remove_breakpoint_1 (bl, mark_inserted);
   }
@@ -4147,25 +4222,27 @@ bpstat_find_breakpoint (bpstat bsp, struct breakpoint *breakpoint)
 
 /* See breakpoint.h.  */
 
-enum bpstat_signal_value
-bpstat_explains_signal (bpstat bsp)
+int
+bpstat_explains_signal (bpstat bsp, enum gdb_signal sig)
 {
-  enum bpstat_signal_value result = BPSTAT_SIGNAL_NO;
-
   for (; bsp != NULL; bsp = bsp->next)
     {
-      /* Ensure that, if we ever entered this loop, then we at least
-        return BPSTAT_SIGNAL_HIDE.  */
-      enum bpstat_signal_value newval = BPSTAT_SIGNAL_HIDE;
-
-      if (bsp->breakpoint_at != NULL)
-       newval = bsp->breakpoint_at->ops->explains_signal (bsp->breakpoint_at);
-
-      if (newval > result)
-       result = newval;
+      if (bsp->breakpoint_at == NULL)
+       {
+         /* A moribund location can never explain a signal other than
+            GDB_SIGNAL_TRAP.  */
+         if (sig == GDB_SIGNAL_TRAP)
+           return 1;
+       }
+      else
+       {
+         if (bsp->breakpoint_at->ops->explains_signal (bsp->breakpoint_at,
+                                                       sig))
+           return 1;
+       }
     }
 
-  return result;
+  return 0;
 }
 
 /* Put in *NUM the breakpoint number of the first breakpoint we are
@@ -4564,10 +4641,12 @@ bpstat_print (bpstat bs, int kind)
   return PRINT_UNKNOWN;
 }
 
-/* Evaluate the expression EXP and return 1 if value is zero.  This is
-   used inside a catch_errors to evaluate the breakpoint condition.
+/* Evaluate the expression EXP and return 1 if value is zero.
+   This returns the inverse of the condition because it is called
+   from catch_errors which returns 0 if an exception happened, and if an
+   exception happens we want execution to stop.
    The argument is a "struct expression *" that has been cast to a
-   "char *" to make it pass through catch_errors.  */
+   "void *" to make it pass through catch_errors.  */
 
 static int
 breakpoint_cond_eval (void *exp)
@@ -4637,7 +4716,7 @@ watchpoints_triggered (struct target_waitstatus *ws)
            w->watchpoint_triggered = watch_triggered_unknown;
          }
 
-      return stopped_by_watchpoint;
+      return 1;
     }
 
   /* The target could report the data address.  Mark watchpoints
@@ -4777,7 +4856,7 @@ watchpoint_check (void *p)
        return WP_VALUE_CHANGED;
 
       mark = value_mark ();
-      fetch_subexp_value (b->exp, &pc, &new_val, NULL, NULL);
+      fetch_subexp_value (b->exp, &pc, &new_val, NULL, NULL, 0);
 
       /* We use value_equal_contents instead of value_equal because
         the latter coerces an array to a pointer, thus comparing just
@@ -5014,8 +5093,8 @@ bpstat_check_watchpoint (bpstat bs)
     }
 }
 
-
-/* Check conditions (condition proper, frame, thread and ignore count)
+/* For breakpoints that are currently marked as telling gdb to stop,
+   check conditions (condition proper, frame, thread and ignore count)
    of breakpoint referred to by BS.  If we should not stop for this
    breakpoint, set BS->stop to 0.  */
 
@@ -5025,6 +5104,10 @@ bpstat_check_breakpoint_conditions (bpstat bs, ptid_t ptid)
   int thread_id = pid_to_thread_id (ptid);
   const struct bp_location *bl;
   struct breakpoint *b;
+  int value_is_zero = 0;
+  struct expression *cond;
+
+  gdb_assert (bs->stop);
 
   /* BS is built for existing struct breakpoint.  */
   bl = bs->bp_location_at;
@@ -5038,109 +5121,110 @@ bpstat_check_breakpoint_conditions (bpstat bs, ptid_t ptid)
 
   if (frame_id_p (b->frame_id)
       && !frame_id_eq (b->frame_id, get_stack_frame_id (get_current_frame ())))
-    bs->stop = 0;
-  else if (bs->stop)
     {
-      int value_is_zero = 0;
-      struct expression *cond;
+      bs->stop = 0;
+      return;
+    }
 
-      /* Evaluate Python breakpoints that have a "stop"
-        method implemented.  */
-      if (b->py_bp_object)
-       bs->stop = gdbpy_should_stop (b->py_bp_object);
+  /* If this is a thread-specific breakpoint, don't waste cpu evaluating the
+     condition if this isn't the specified thread.  */
+  if (b->thread != -1 && b->thread != thread_id)
+    {
+      bs->stop = 0;
+      return;
+    }
 
-      if (is_watchpoint (b))
-       {
-         struct watchpoint *w = (struct watchpoint *) b;
+  /* Evaluate Python breakpoints that have a "stop" method implemented.  */
+  if (b->py_bp_object)
+    bs->stop = gdbpy_should_stop (b->py_bp_object);
 
-         cond = w->cond_exp;
-       }
+  if (is_watchpoint (b))
+    {
+      struct watchpoint *w = (struct watchpoint *) b;
+
+      cond = w->cond_exp;
+    }
+  else
+    cond = bl->cond;
+
+  if (cond && b->disposition != disp_del_at_next_stop)
+    {
+      int within_current_scope = 1;
+      struct watchpoint * w;
+
+      /* We use value_mark and value_free_to_mark because it could
+        be a long time before we return to the command level and
+        call free_all_values.  We can't call free_all_values
+        because we might be in the middle of evaluating a
+        function call.  */
+      struct value *mark = value_mark ();
+
+      if (is_watchpoint (b))
+       w = (struct watchpoint *) b;
       else
-       cond = bl->cond;
+       w = NULL;
 
-      if (cond && b->disposition != disp_del_at_next_stop)
+      /* Need to select the frame, with all that implies so that
+        the conditions will have the right context.  Because we
+        use the frame, we will not see an inlined function's
+        variables when we arrive at a breakpoint at the start
+        of the inlined function; the current frame will be the
+        call site.  */
+      if (w == NULL || w->cond_exp_valid_block == NULL)
+       select_frame (get_current_frame ());
+      else
        {
-         int within_current_scope = 1;
-         struct watchpoint * w;
-
-         /* We use value_mark and value_free_to_mark because it could
-            be a long time before we return to the command level and
-            call free_all_values.  We can't call free_all_values
-            because we might be in the middle of evaluating a
-            function call.  */
-         struct value *mark = value_mark ();
-
-         if (is_watchpoint (b))
-           w = (struct watchpoint *) b;
-         else
-           w = NULL;
-
-         /* Need to select the frame, with all that implies so that
-            the conditions will have the right context.  Because we
-            use the frame, we will not see an inlined function's
-            variables when we arrive at a breakpoint at the start
-            of the inlined function; the current frame will be the
-            call site.  */
-         if (w == NULL || w->cond_exp_valid_block == NULL)
-           select_frame (get_current_frame ());
-         else
-           {
-             struct frame_info *frame;
-
-             /* For local watchpoint expressions, which particular
-                instance of a local is being watched matters, so we
-                keep track of the frame to evaluate the expression
-                in.  To evaluate the condition however, it doesn't
-                really matter which instantiation of the function
-                where the condition makes sense triggers the
-                watchpoint.  This allows an expression like "watch
-                global if q > 10" set in `func', catch writes to
-                global on all threads that call `func', or catch
-                writes on all recursive calls of `func' by a single
-                thread.  We simply always evaluate the condition in
-                the innermost frame that's executing where it makes
-                sense to evaluate the condition.  It seems
-                intuitive.  */
-             frame = block_innermost_frame (w->cond_exp_valid_block);
-             if (frame != NULL)
-               select_frame (frame);
-             else
-               within_current_scope = 0;
-           }
-         if (within_current_scope)
-           value_is_zero
-             = catch_errors (breakpoint_cond_eval, cond,
-                             "Error in testing breakpoint condition:\n",
-                             RETURN_MASK_ALL);
+         struct frame_info *frame;
+
+         /* For local watchpoint expressions, which particular
+            instance of a local is being watched matters, so we
+            keep track of the frame to evaluate the expression
+            in.  To evaluate the condition however, it doesn't
+            really matter which instantiation of the function
+            where the condition makes sense triggers the
+            watchpoint.  This allows an expression like "watch
+            global if q > 10" set in `func', catch writes to
+            global on all threads that call `func', or catch
+            writes on all recursive calls of `func' by a single
+            thread.  We simply always evaluate the condition in
+            the innermost frame that's executing where it makes
+            sense to evaluate the condition.  It seems
+            intuitive.  */
+         frame = block_innermost_frame (w->cond_exp_valid_block);
+         if (frame != NULL)
+           select_frame (frame);
          else
-           {
-             warning (_("Watchpoint condition cannot be tested "
-                        "in the current scope"));
-             /* If we failed to set the right context for this
-                watchpoint, unconditionally report it.  */
-             value_is_zero = 0;
-           }
-         /* FIXME-someday, should give breakpoint #.  */
-         value_free_to_mark (mark);
-       }
-
-      if (cond && value_is_zero)
-       {
-         bs->stop = 0;
+           within_current_scope = 0;
        }
-      else if (b->thread != -1 && b->thread != thread_id)
+      if (within_current_scope)
+       value_is_zero
+         = catch_errors (breakpoint_cond_eval, cond,
+                         "Error in testing breakpoint condition:\n",
+                         RETURN_MASK_ALL);
+      else
        {
-         bs->stop = 0;
+         warning (_("Watchpoint condition cannot be tested "
+                    "in the current scope"));
+         /* If we failed to set the right context for this
+            watchpoint, unconditionally report it.  */
+         value_is_zero = 0;
        }
-      else if (b->ignore_count > 0)
-       {
-         b->ignore_count--;
-         bs->stop = 0;
-         /* Increase the hit count even though we don't stop.  */
-         ++(b->hit_count);
-         observer_notify_breakpoint_modified (b);
-       }       
+      /* FIXME-someday, should give breakpoint #.  */
+      value_free_to_mark (mark);
     }
+
+  if (cond && value_is_zero)
+    {
+      bs->stop = 0;
+    }
+  else if (b->ignore_count > 0)
+    {
+      b->ignore_count--;
+      bs->stop = 0;
+      /* Increase the hit count even though we don't stop.  */
+      ++(b->hit_count);
+      observer_notify_breakpoint_modified (b);
+    }  
 }
 
 
@@ -5294,6 +5378,8 @@ bpstat_stop_status (struct address_space *aspace,
              if (command_line_is_silent (bs->commands
                                          ? bs->commands->commands : NULL))
                bs->print = 0;
+
+             b->ops->after_condition_true (bs);
            }
 
        }
@@ -5347,25 +5433,6 @@ handle_jit_event (void)
   target_terminal_inferior ();
 }
 
-/* Handle an solib event by calling solib_add.  */
-
-void
-handle_solib_event (void)
-{
-  clear_program_space_solib_cache (current_inferior ()->pspace);
-
-  /* Check for any newly added shared libraries if we're supposed to
-     be adding them automatically.  Switch terminal for any messages
-     produced by breakpoint_re_set.  */
-  target_terminal_ours_for_output ();
-#ifdef SOLIB_ADD
-  SOLIB_ADD (NULL, 0, &current_target, auto_solib_add);
-#else
-  solib_add (NULL, 0, &current_target, auto_solib_add);
-#endif
-  target_terminal_inferior ();
-}
-
 /* Prepare WHAT final decision for infrun.  */
 
 /* Decide what infrun needs to do with this bpstat.  */
@@ -5520,7 +5587,10 @@ bpstat_what (bpstat bs_head)
          break;
 
        case bp_dprintf:
-         this_action = BPSTAT_WHAT_STOP_SILENT;
+         if (bs->stop)
+           this_action = BPSTAT_WHAT_STOP_SILENT;
+         else
+           this_action = BPSTAT_WHAT_SINGLE;
          break;
 
        default:
@@ -5799,8 +5869,6 @@ bptype_string (enum bptype type)
   return bptypes[(int) type].description;
 }
 
-DEF_VEC_I(int);
-
 /* For MI, output a field named 'thread-groups' with a list as the value.
    For CLI, prefix the list with the string 'inf'. */
 
@@ -5810,8 +5878,7 @@ output_thread_groups (struct ui_out *uiout,
                      VEC(int) *inf_num,
                      int mi_only)
 {
-  struct cleanup *back_to = make_cleanup_ui_out_list_begin_end (uiout,
-                                                               field_name);
+  struct cleanup *back_to;
   int is_mi = ui_out_is_mi_like_p (uiout);
   int inf;
   int i;
@@ -5821,6 +5888,8 @@ output_thread_groups (struct ui_out *uiout,
   if (!is_mi && mi_only)
     return;
 
+  back_to = make_cleanup_ui_out_list_begin_end (uiout, field_name);
+
   for (i = 0; VEC_iterate (int, inf_num, i, inf); ++i)
     {
       if (is_mi)
@@ -7405,11 +7474,7 @@ disable_breakpoints_in_shlibs (void)
         || (is_tracepoint (b)))
        && loc->pspace == current_program_space
        && !loc->shlib_disabled
-#ifdef PC_SOLIB
-       && PC_SOLIB (loc->address)
-#else
        && solib_name_from_address (loc->pspace, loc->address)
-#endif
        )
       {
        loc->shlib_disabled = 1;
@@ -7417,9 +7482,9 @@ disable_breakpoints_in_shlibs (void)
   }
 }
 
-/* Disable any breakpoints and tracepoints that are in an unloaded shared
-   library.  Only apply to enabled breakpoints, disabled ones can just stay
-   disabled.  */
+/* Disable any breakpoints and tracepoints that are in SOLIB upon
+   notification of unloaded_shlib.  Only apply to enabled breakpoints,
+   disabled ones can just stay disabled.  */
 
 static void
 disable_breakpoints_in_unloaded_shlib (struct so_list *solib)
@@ -7471,6 +7536,66 @@ disable_breakpoints_in_unloaded_shlib (struct so_list *solib)
   }
 }
 
+/* Disable any breakpoints and tracepoints in OBJFILE upon
+   notification of free_objfile.  Only apply to enabled breakpoints,
+   disabled ones can just stay disabled.  */
+
+static void
+disable_breakpoints_in_freed_objfile (struct objfile *objfile)
+{
+  struct breakpoint *b;
+
+  if (objfile == NULL)
+    return;
+
+  /* If the file is a shared library not loaded by the user then
+     solib_unloaded was notified and disable_breakpoints_in_unloaded_shlib
+     was called.  In that case there is no need to take action again.  */
+  if ((objfile->flags & OBJF_SHARED) && !(objfile->flags & OBJF_USERLOADED))
+    return;
+
+  ALL_BREAKPOINTS (b)
+    {
+      struct bp_location *loc;
+      int bp_modified = 0;
+
+      if (!is_breakpoint (b) && !is_tracepoint (b))
+       continue;
+
+      for (loc = b->loc; loc != NULL; loc = loc->next)
+       {
+         CORE_ADDR loc_addr = loc->address;
+
+         if (loc->loc_type != bp_loc_hardware_breakpoint
+             && loc->loc_type != bp_loc_software_breakpoint)
+           continue;
+
+         if (loc->shlib_disabled != 0)
+           continue;
+
+         if (objfile->pspace != loc->pspace)
+           continue;
+
+         if (loc->loc_type != bp_loc_hardware_breakpoint
+             && loc->loc_type != bp_loc_software_breakpoint)
+           continue;
+
+         if (is_addr_in_objfile (loc_addr, objfile))
+           {
+             loc->shlib_disabled = 1;
+             loc->inserted = 0;
+
+             mark_breakpoint_location_modified (loc);
+
+             bp_modified = 1;
+           }
+       }
+
+      if (bp_modified)
+       observer_notify_breakpoint_modified (b);
+    }
+}
+
 /* FORK & VFORK catchpoints.  */
 
 /* An instance of this type is used to represent a fork or vfork
@@ -7496,7 +7621,7 @@ struct fork_catchpoint
 static int
 insert_catch_fork (struct bp_location *bl)
 {
-  return target_insert_fork_catchpoint (PIDGET (inferior_ptid));
+  return target_insert_fork_catchpoint (ptid_get_pid (inferior_ptid));
 }
 
 /* Implement the "remove" breakpoint_ops method for fork
@@ -7505,7 +7630,7 @@ insert_catch_fork (struct bp_location *bl)
 static int
 remove_catch_fork (struct bp_location *bl)
 {
-  return target_remove_fork_catchpoint (PIDGET (inferior_ptid));
+  return target_remove_fork_catchpoint (ptid_get_pid (inferior_ptid));
 }
 
 /* Implement the "breakpoint_hit" breakpoint_ops method for fork
@@ -7613,7 +7738,7 @@ static struct breakpoint_ops catch_fork_breakpoint_ops;
 static int
 insert_catch_vfork (struct bp_location *bl)
 {
-  return target_insert_vfork_catchpoint (PIDGET (inferior_ptid));
+  return target_insert_vfork_catchpoint (ptid_get_pid (inferior_ptid));
 }
 
 /* Implement the "remove" breakpoint_ops method for vfork
@@ -7622,7 +7747,7 @@ insert_catch_vfork (struct bp_location *bl)
 static int
 remove_catch_vfork (struct bp_location *bl)
 {
-  return target_remove_vfork_catchpoint (PIDGET (inferior_ptid));
+  return target_remove_vfork_catchpoint (ptid_get_pid (inferior_ptid));
 }
 
 /* Implement the "breakpoint_hit" breakpoint_ops method for vfork
@@ -8115,7 +8240,7 @@ insert_catch_syscall (struct bp_location *bl)
        }
     }
 
-  return target_set_syscall_catchpoint (PIDGET (inferior_ptid),
+  return target_set_syscall_catchpoint (ptid_get_pid (inferior_ptid),
                                        inf_data->total_syscalls_count != 0,
                                        inf_data->any_syscall_count,
                                        VEC_length (int,
@@ -8155,7 +8280,7 @@ remove_catch_syscall (struct bp_location *bl)
         }
     }
 
-  return target_set_syscall_catchpoint (PIDGET (inferior_ptid),
+  return target_set_syscall_catchpoint (ptid_get_pid (inferior_ptid),
                                        inf_data->total_syscalls_count != 0,
                                        inf_data->any_syscall_count,
                                        VEC_length (int,
@@ -8478,13 +8603,13 @@ dtor_catch_exec (struct breakpoint *b)
 static int
 insert_catch_exec (struct bp_location *bl)
 {
-  return target_insert_exec_catchpoint (PIDGET (inferior_ptid));
+  return target_insert_exec_catchpoint (ptid_get_pid (inferior_ptid));
 }
 
 static int
 remove_catch_exec (struct bp_location *bl)
 {
-  return target_remove_exec_catchpoint (PIDGET (inferior_ptid));
+  return target_remove_exec_catchpoint (ptid_get_pid (inferior_ptid));
 }
 
 static int
@@ -8948,25 +9073,16 @@ update_dprintf_command_list (struct breakpoint *b)
                    _("Invalid dprintf style."));
 
   gdb_assert (printf_line != NULL);
-  /* Manufacture a printf/continue sequence.  */
+  /* Manufacture a printf sequence.  */
   {
-    struct command_line *printf_cmd_line, *cont_cmd_line = NULL;
-
-    if (strcmp (dprintf_style, dprintf_style_agent) != 0)
-      {
-       cont_cmd_line = xmalloc (sizeof (struct command_line));
-       cont_cmd_line->control_type = simple_control;
-       cont_cmd_line->body_count = 0;
-       cont_cmd_line->body_list = NULL;
-       cont_cmd_line->next = NULL;
-       cont_cmd_line->line = xstrdup ("continue");
-      }
+    struct command_line *printf_cmd_line
+      = xmalloc (sizeof (struct command_line));
 
     printf_cmd_line = xmalloc (sizeof (struct command_line));
     printf_cmd_line->control_type = simple_control;
     printf_cmd_line->body_count = 0;
     printf_cmd_line->body_list = NULL;
-    printf_cmd_line->next = cont_cmd_line;
+    printf_cmd_line->next = NULL;
     printf_cmd_line->line = printf_line;
 
     breakpoint_set_commands (b, printf_cmd_line);
@@ -9497,20 +9613,20 @@ decode_static_tracepoint_spec (char **arg_p)
 
 /* Set a breakpoint.  This function is shared between CLI and MI
    functions for setting a breakpoint.  This function has two major
-   modes of operations, selected by the PARSE_CONDITION_AND_THREAD
-   parameter.  If non-zero, the function will parse arg, extracting
-   breakpoint location, address and thread.  Otherwise, ARG is just
-   the location of breakpoint, with condition and thread specified by
-   the COND_STRING and THREAD parameters.  If INTERNAL is non-zero,
-   the breakpoint number will be allocated from the internal
-   breakpoint count.  Returns true if any breakpoint was created;
-   false otherwise.  */
+   modes of operations, selected by the PARSE_ARG parameter.  If
+   non-zero, the function will parse ARG, extracting location,
+   condition, thread and extra string.  Otherwise, ARG is just the
+   breakpoint's location, with condition, thread, and extra string
+   specified by the COND_STRING, THREAD and EXTRA_STRING parameters.
+   If INTERNAL is non-zero, the breakpoint number will be allocated
+   from the internal breakpoint count.  Returns true if any breakpoint
+   was created; false otherwise.  */
 
 int
 create_breakpoint (struct gdbarch *gdbarch,
                   char *arg, char *cond_string,
                   int thread, char *extra_string,
-                  int parse_condition_and_thread,
+                  int parse_arg,
                   int tempflag, enum bptype type_wanted,
                   int ignore_count,
                   enum auto_boolean pending_break_support,
@@ -9624,44 +9740,47 @@ create_breakpoint (struct gdbarch *gdbarch,
      breakpoint.  */
   if (!pending)
     {
-      struct linespec_sals *lsal;
+      if (parse_arg)
+        {
+         char *rest;
+         struct linespec_sals *lsal;
 
-      lsal = VEC_index (linespec_sals, canonical.sals, 0);
+         lsal = VEC_index (linespec_sals, canonical.sals, 0);
 
-      if (parse_condition_and_thread)
-        {
-           char *rest;
-            /* Here we only parse 'arg' to separate condition
-               from thread number, so parsing in context of first
-               sal is OK.  When setting the breakpoint we'll 
-               re-parse it in context of each sal.  */
-
-            find_condition_and_thread (arg, lsal->sals.sals[0].pc, &cond_string,
-                                       &thread, &task, &rest);
-            if (cond_string)
-                make_cleanup (xfree, cond_string);
-           if (rest)
-             make_cleanup (xfree, rest);
-           if (rest)
-             extra_string = rest;
+         /* Here we only parse 'arg' to separate condition
+            from thread number, so parsing in context of first
+            sal is OK.  When setting the breakpoint we'll
+            re-parse it in context of each sal.  */
+
+         find_condition_and_thread (arg, lsal->sals.sals[0].pc, &cond_string,
+                                    &thread, &task, &rest);
+         if (cond_string)
+           make_cleanup (xfree, cond_string);
+         if (rest)
+           make_cleanup (xfree, rest);
+         if (rest)
+           extra_string = rest;
         }
       else
         {
-            /* Create a private copy of condition string.  */
-            if (cond_string)
-            {
-                cond_string = xstrdup (cond_string);
-                make_cleanup (xfree, cond_string);
-            }
-            /* Create a private copy of any extra string.  */
-            if (extra_string)
-             {
-                extra_string = xstrdup (extra_string);
-                make_cleanup (xfree, extra_string);
-             }
+         if (*arg != '\0')
+           error (_("Garbage '%s' at end of location"), arg);
+
+         /* Create a private copy of condition string.  */
+         if (cond_string)
+           {
+             cond_string = xstrdup (cond_string);
+             make_cleanup (xfree, cond_string);
+           }
+         /* Create a private copy of any extra string.  */
+         if (extra_string)
+           {
+             extra_string = xstrdup (extra_string);
+             make_cleanup (xfree, extra_string);
+           }
         }
 
-      ops->create_breakpoints_sal (gdbarch, &canonical, lsal,
+      ops->create_breakpoints_sal (gdbarch, &canonical,
                                   cond_string, extra_string, type_wanted,
                                   tempflag ? disp_del : disp_donttouch,
                                   thread, task, ignore_count, ops,
@@ -9686,7 +9805,7 @@ create_breakpoint (struct gdbarch *gdbarch,
       init_raw_breakpoint_without_location (b, gdbarch, type_wanted, ops);
 
       b->addr_string = copy_arg;
-      if (parse_condition_and_thread)
+      if (parse_arg)
        b->cond_string = NULL;
       else
        {
@@ -9798,7 +9917,7 @@ resolve_sal_pc (struct symtab_and_line *sal)
          if (sym != NULL)
            {
              fixup_symbol_section (sym, sal->symtab->objfile);
-             sal->section = SYMBOL_OBJ_SECTION (sym);
+             sal->section = SYMBOL_OBJ_SECTION (sal->symtab->objfile, sym);
            }
          else
            {
@@ -9807,14 +9926,14 @@ resolve_sal_pc (struct symtab_and_line *sal)
                 if we have line numbers but no functions (as can
                 happen in assembly source).  */
 
-             struct minimal_symbol *msym;
+             struct bound_minimal_symbol msym;
              struct cleanup *old_chain = save_current_space_and_thread ();
 
              switch_to_program_space_and_thread (sal->pspace);
 
              msym = lookup_minimal_symbol_by_pc (sal->pc);
-             if (msym)
-               sal->section = SYMBOL_OBJ_SECTION (msym);
+             if (msym.minsym)
+               sal->section = SYMBOL_OBJ_SECTION (msym.objfile, msym.minsym);
 
              do_cleanups (old_chain);
            }
@@ -10300,6 +10419,7 @@ watchpoint_exp_is_const (const struct expression *exp)
        case OP_TYPE:
        case OP_TYPEOF:
        case OP_DECLTYPE:
+       case OP_TYPEID:
        case OP_NAME:
        case OP_OBJC_NSSTRING:
 
@@ -10485,7 +10605,6 @@ print_it_watchpoint (bpstat bs)
 {
   struct cleanup *old_chain;
   struct breakpoint *b;
-  const struct bp_location *bl;
   struct ui_file *stb;
   enum print_stop_action result;
   struct watchpoint *w;
@@ -10493,7 +10612,6 @@ print_it_watchpoint (bpstat bs)
 
   gdb_assert (bs->bp_location_at != NULL);
 
-  bl = bs->bp_location_at;
   b = bs->breakpoint_at;
   w = (struct watchpoint *) b;
 
@@ -10642,6 +10760,20 @@ print_recreate_watchpoint (struct breakpoint *b, struct ui_file *fp)
   print_recreate_thread (b, fp);
 }
 
+/* Implement the "explains_signal" breakpoint_ops method for
+   watchpoints.  */
+
+static int
+explains_signal_watchpoint (struct breakpoint *b, enum gdb_signal sig)
+{
+  /* A software watchpoint cannot cause a signal other than
+     GDB_SIGNAL_TRAP.  */
+  if (b->type == bp_watchpoint && sig != GDB_SIGNAL_TRAP)
+    return 0;
+
+  return 1;
+}
+
 /* The breakpoint_ops structure to be used in hardware watchpoints.  */
 
 static struct breakpoint_ops watchpoint_breakpoint_ops;
@@ -10977,7 +11109,7 @@ watch_command_1 (const char *arg, int accessflag, int from_tty,
 
   exp_valid_block = innermost_block;
   mark = value_mark ();
-  fetch_subexp_value (exp, &pc, &val, &result, NULL);
+  fetch_subexp_value (exp, &pc, &val, &result, NULL, just_location);
 
   if (just_location)
     {
@@ -11023,13 +11155,6 @@ watch_command_1 (const char *arg, int accessflag, int from_tty,
   if (*tok)
     error (_("Junk at end of command."));
 
-  if (accessflag == hw_read)
-    bp_type = bp_read_watchpoint;
-  else if (accessflag == hw_access)
-    bp_type = bp_access_watchpoint;
-  else
-    bp_type = bp_hardware_watchpoint;
-
   frame = block_innermost_frame (exp_valid_block);
 
   /* If the expression is "local", then set up a "watchpoint scope"
@@ -11066,7 +11191,17 @@ watch_command_1 (const char *arg, int accessflag, int from_tty,
        }
     }
 
-  /* Now set up the breakpoint.  */
+  /* Now set up the breakpoint.  We create all watchpoints as hardware
+     watchpoints here even if hardware watchpoints are turned off, a call
+     to update_watchpoint later in this function will cause the type to
+     drop back to bp_watchpoint (software watchpoint) if required.  */
+
+  if (accessflag == hw_read)
+    bp_type = bp_read_watchpoint;
+  else if (accessflag == hw_access)
+    bp_type = bp_access_watchpoint;
+  else
+    bp_type = bp_hardware_watchpoint;
 
   w = XCNEW (struct watchpoint);
   b = &w->base;
@@ -11443,7 +11578,7 @@ until_break_command (char *arg, int from_tty, int anywhere)
    it updates arg to point to the first character following the parsed
    if clause in the arg string.  */
 
-static char *
+char *
 ep_parse_optional_if_clause (char **arg)
 {
   char *cond_string;
@@ -11556,180 +11691,6 @@ catch_exec_command_1 (char *arg, int from_tty,
   install_breakpoint (0, &c->base, 1);
 }
 
-static enum print_stop_action
-print_it_exception_catchpoint (bpstat bs)
-{
-  struct ui_out *uiout = current_uiout;
-  struct breakpoint *b = bs->breakpoint_at;
-  int bp_temp, bp_throw;
-
-  annotate_catchpoint (b->number);
-
-  bp_throw = strstr (b->addr_string, "throw") != NULL;
-  if (b->loc->address != b->loc->requested_address)
-    breakpoint_adjustment_warning (b->loc->requested_address,
-                                  b->loc->address,
-                                  b->number, 1);
-  bp_temp = b->disposition == disp_del;
-  ui_out_text (uiout, 
-              bp_temp ? "Temporary catchpoint "
-                      : "Catchpoint ");
-  if (!ui_out_is_mi_like_p (uiout))
-    ui_out_field_int (uiout, "bkptno", b->number);
-  ui_out_text (uiout,
-              bp_throw ? " (exception thrown), "
-                       : " (exception caught), ");
-  if (ui_out_is_mi_like_p (uiout))
-    {
-      ui_out_field_string (uiout, "reason", 
-                          async_reason_lookup (EXEC_ASYNC_BREAKPOINT_HIT));
-      ui_out_field_string (uiout, "disp", bpdisp_text (b->disposition));
-      ui_out_field_int (uiout, "bkptno", b->number);
-    }
-  return PRINT_SRC_AND_LOC;
-}
-
-static void
-print_one_exception_catchpoint (struct breakpoint *b, 
-                               struct bp_location **last_loc)
-{
-  struct value_print_options opts;
-  struct ui_out *uiout = current_uiout;
-
-  get_user_print_options (&opts);
-  if (opts.addressprint)
-    {
-      annotate_field (4);
-      if (b->loc == NULL || b->loc->shlib_disabled)
-       ui_out_field_string (uiout, "addr", "<PENDING>");
-      else
-       ui_out_field_core_addr (uiout, "addr",
-                               b->loc->gdbarch, b->loc->address);
-    }
-  annotate_field (5);
-  if (b->loc)
-    *last_loc = b->loc;
-  if (strstr (b->addr_string, "throw") != NULL)
-    {
-      ui_out_field_string (uiout, "what", "exception throw");
-      if (ui_out_is_mi_like_p (uiout))
-       ui_out_field_string (uiout, "catch-type", "throw");
-    }
-  else
-    {
-      ui_out_field_string (uiout, "what", "exception catch");
-      if (ui_out_is_mi_like_p (uiout))
-       ui_out_field_string (uiout, "catch-type", "catch");
-    }
-}
-
-static void
-print_mention_exception_catchpoint (struct breakpoint *b)
-{
-  struct ui_out *uiout = current_uiout;
-  int bp_temp;
-  int bp_throw;
-
-  bp_temp = b->disposition == disp_del;
-  bp_throw = strstr (b->addr_string, "throw") != NULL;
-  ui_out_text (uiout, bp_temp ? _("Temporary catchpoint ")
-                             : _("Catchpoint "));
-  ui_out_field_int (uiout, "bkptno", b->number);
-  ui_out_text (uiout, bp_throw ? _(" (throw)")
-                              : _(" (catch)"));
-}
-
-/* Implement the "print_recreate" breakpoint_ops method for throw and
-   catch catchpoints.  */
-
-static void
-print_recreate_exception_catchpoint (struct breakpoint *b, 
-                                    struct ui_file *fp)
-{
-  int bp_temp;
-  int bp_throw;
-
-  bp_temp = b->disposition == disp_del;
-  bp_throw = strstr (b->addr_string, "throw") != NULL;
-  fprintf_unfiltered (fp, bp_temp ? "tcatch " : "catch ");
-  fprintf_unfiltered (fp, bp_throw ? "throw" : "catch");
-  print_recreate_thread (b, fp);
-}
-
-static struct breakpoint_ops gnu_v3_exception_catchpoint_ops;
-
-static int
-handle_gnu_v3_exceptions (int tempflag, char *cond_string,
-                         enum exception_event_kind ex_event, int from_tty)
-{
-  char *trigger_func_name;
-  if (ex_event == EX_EVENT_CATCH)
-    trigger_func_name = "__cxa_begin_catch";
-  else
-    trigger_func_name = "__cxa_throw";
-
-  create_breakpoint (get_current_arch (),
-                    trigger_func_name, cond_string, -1, NULL,
-                    0 /* condition and thread are valid.  */,
-                    tempflag, bp_breakpoint,
-                    0,
-                    AUTO_BOOLEAN_TRUE /* pending */,
-                    &gnu_v3_exception_catchpoint_ops, from_tty,
-                    1 /* enabled */,
-                    0 /* internal */,
-                    0);
-
-  return 1;
-}
-
-/* Deal with "catch catch" and "catch throw" commands.  */
-
-static void
-catch_exception_command_1 (enum exception_event_kind ex_event, char *arg,
-                          int tempflag, int from_tty)
-{
-  char *cond_string = NULL;
-
-  if (!arg)
-    arg = "";
-  arg = skip_spaces (arg);
-
-  cond_string = ep_parse_optional_if_clause (&arg);
-
-  if ((*arg != '\0') && !isspace (*arg))
-    error (_("Junk at end of arguments."));
-
-  if (ex_event != EX_EVENT_THROW
-      && ex_event != EX_EVENT_CATCH)
-    error (_("Unsupported or unknown exception event; cannot catch it"));
-
-  if (handle_gnu_v3_exceptions (tempflag, cond_string, ex_event, from_tty))
-    return;
-
-  warning (_("Unsupported with this platform/compiler combination."));
-}
-
-/* Implementation of "catch catch" command.  */
-
-static void
-catch_catch_command (char *arg, int from_tty, struct cmd_list_element *command)
-{
-  int tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
-
-  catch_exception_command_1 (EX_EVENT_CATCH, arg, tempflag, from_tty);
-}
-
-/* Implementation of "catch throw" command.  */
-
-static void
-catch_throw_command (char *arg, int from_tty, struct cmd_list_element *command)
-{
-  int tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
-
-  catch_exception_command_1 (EX_EVENT_THROW, arg, tempflag, from_tty);
-}
-
 void
 init_ada_exception_breakpoint (struct breakpoint *b,
                               struct gdbarch *gdbarch,
@@ -11737,6 +11698,7 @@ init_ada_exception_breakpoint (struct breakpoint *b,
                               char *addr_string,
                               const struct breakpoint_ops *ops,
                               int tempflag,
+                              int enabled,
                               int from_tty)
 {
   if (from_tty)
@@ -11759,7 +11721,7 @@ init_ada_exception_breakpoint (struct breakpoint *b,
 
   init_raw_breakpoint (b, gdbarch, sal, bp_breakpoint, ops);
 
-  b->enable_state = bp_enabled;
+  b->enable_state = enabled ? bp_enabled : bp_disabled;
   b->disposition = tempflag ? disp_del : disp_donttouch;
   b->addr_string = addr_string;
   b->language = language_ada;
@@ -12719,7 +12681,6 @@ bpstat_remove_breakpoint_callback (struct thread_info *th, void *data)
 static void
 say_where (struct breakpoint *b)
 {
-  struct ui_out *uiout = current_uiout;
   struct value_print_options opts;
 
   get_user_print_options (&opts);
@@ -12788,6 +12749,7 @@ base_breakpoint_dtor (struct breakpoint *self)
 {
   decref_counted_command_line (&self->commands);
   xfree (self->cond_string);
+  xfree (self->extra_string);
   xfree (self->addr_string);
   xfree (self->filter);
   xfree (self->addr_string_range_end);
@@ -12895,7 +12857,6 @@ base_breakpoint_create_sals_from_address (char **arg,
 static void
 base_breakpoint_create_breakpoints_sal (struct gdbarch *gdbarch,
                                        struct linespec_result *c,
-                                       struct linespec_sals *lsal,
                                        char *cond_string,
                                        char *extra_string,
                                        enum bptype type_wanted,
@@ -12918,10 +12879,18 @@ base_breakpoint_decode_linespec (struct breakpoint *b, char **s,
 
 /* The default 'explains_signal' method.  */
 
-static enum bpstat_signal_value
-base_breakpoint_explains_signal (struct breakpoint *b)
+static int
+base_breakpoint_explains_signal (struct breakpoint *b, enum gdb_signal sig)
 {
-  return BPSTAT_SIGNAL_HIDE;
+  return 1;
+}
+
+/* The default "after_condition_true" method.  */
+
+static void
+base_breakpoint_after_condition_true (struct bpstats *bs)
+{
+  /* Nothing to do.   */
 }
 
 struct breakpoint_ops base_breakpoint_ops =
@@ -12943,7 +12912,8 @@ struct breakpoint_ops base_breakpoint_ops =
   base_breakpoint_create_sals_from_address,
   base_breakpoint_create_breakpoints_sal,
   base_breakpoint_decode_linespec,
-  base_breakpoint_explains_signal
+  base_breakpoint_explains_signal,
+  base_breakpoint_after_condition_true,
 };
 
 /* Default breakpoint_ops methods.  */
@@ -12987,8 +12957,6 @@ bkpt_breakpoint_hit (const struct bp_location *bl,
                     struct address_space *aspace, CORE_ADDR bp_addr,
                     const struct target_waitstatus *ws)
 {
-  struct breakpoint *b = bl->owner;
-
   if (ws->kind != TARGET_WAITKIND_STOPPED
       || ws->value.sig != GDB_SIGNAL_TRAP)
     return 0;
@@ -13110,7 +13078,6 @@ bkpt_create_sals_from_address (char **arg,
 static void
 bkpt_create_breakpoints_sal (struct gdbarch *gdbarch,
                             struct linespec_result *canonical,
-                            struct linespec_sals *lsal,
                             char *cond_string,
                             char *extra_string,
                             enum bptype type_wanted,
@@ -13121,7 +13088,7 @@ bkpt_create_breakpoints_sal (struct gdbarch *gdbarch,
                             int from_tty, int enabled,
                             int internal, unsigned flags)
 {
-  create_breakpoints_sal_default (gdbarch, canonical, lsal,
+  create_breakpoints_sal_default (gdbarch, canonical,
                                  cond_string, extra_string,
                                  type_wanted,
                                  disposition, thread, task,
@@ -13182,7 +13149,6 @@ internal_bkpt_check_status (bpstat bs)
 static enum print_stop_action
 internal_bkpt_print_it (bpstat bs)
 {
-  struct ui_out *uiout = current_uiout;
   struct breakpoint *b;
 
   b = bs->breakpoint_at;
@@ -13240,7 +13206,7 @@ static void
 momentary_bkpt_re_set (struct breakpoint *b)
 {
   /* Keep temporary breakpoints, which can be encountered when we step
-     over a dlopen call and SOLIB_ADD is resetting the breakpoints.
+     over a dlopen call and solib_add is resetting the breakpoints.
      Otherwise these should have been blown away via the cleanup chain
      or by breakpoint_init_inferior when we rerun the executable.  */
 }
@@ -13449,7 +13415,6 @@ tracepoint_create_sals_from_address (char **arg,
 static void
 tracepoint_create_breakpoints_sal (struct gdbarch *gdbarch,
                                   struct linespec_result *canonical,
-                                  struct linespec_sals *lsal,
                                   char *cond_string,
                                   char *extra_string,
                                   enum bptype type_wanted,
@@ -13460,7 +13425,7 @@ tracepoint_create_breakpoints_sal (struct gdbarch *gdbarch,
                                   int from_tty, int enabled,
                                   int internal, unsigned flags)
 {
-  create_breakpoints_sal_default (gdbarch, canonical, lsal,
+  create_breakpoints_sal_default (gdbarch, canonical,
                                  cond_string, extra_string,
                                  type_wanted,
                                  disposition, thread, task,
@@ -13501,6 +13466,83 @@ tracepoint_probe_decode_linespec (struct breakpoint *b, char **s,
 
 static struct breakpoint_ops tracepoint_probe_breakpoint_ops;
 
+/* Dprintf breakpoint_ops methods.  */
+
+static void
+dprintf_re_set (struct breakpoint *b)
+{
+  breakpoint_re_set_default (b);
+
+  /* This breakpoint could have been pending, and be resolved now, and
+     if so, we should now have the extra string.  If we don't, the
+     dprintf was malformed when created, but we couldn't tell because
+     we can't extract the extra string until the location is
+     resolved.  */
+  if (b->loc != NULL && b->extra_string == NULL)
+    error (_("Format string required"));
+
+  /* 1 - connect to target 1, that can run breakpoint commands.
+     2 - create a dprintf, which resolves fine.
+     3 - disconnect from target 1
+     4 - connect to target 2, that can NOT run breakpoint commands.
+
+     After steps #3/#4, you'll want the dprintf command list to
+     be updated, because target 1 and 2 may well return different
+     answers for target_can_run_breakpoint_commands().
+     Given absence of finer grained resetting, we get to do
+     it all the time.  */
+  if (b->extra_string != NULL)
+    update_dprintf_command_list (b);
+}
+
+/* Implement the "print_recreate" breakpoint_ops method for dprintf.  */
+
+static void
+dprintf_print_recreate (struct breakpoint *tp, struct ui_file *fp)
+{
+  fprintf_unfiltered (fp, "dprintf %s%s", tp->addr_string,
+                     tp->extra_string);
+  print_recreate_thread (tp, fp);
+}
+
+/* Implement the "after_condition_true" breakpoint_ops method for
+   dprintf.
+
+   dprintf's are implemented with regular commands in their command
+   list, but we run the commands here instead of before presenting the
+   stop to the user, as dprintf's don't actually cause a stop.  This
+   also makes it so that the commands of multiple dprintfs at the same
+   address are all handled.  */
+
+static void
+dprintf_after_condition_true (struct bpstats *bs)
+{
+  struct cleanup *old_chain;
+  struct bpstats tmp_bs = { NULL };
+  struct bpstats *tmp_bs_p = &tmp_bs;
+
+  /* dprintf's never cause a stop.  This wasn't set in the
+     check_status hook instead because that would make the dprintf's
+     condition not be evaluated.  */
+  bs->stop = 0;
+
+  /* Run the command list here.  Take ownership of it instead of
+     copying.  We never want these commands to run later in
+     bpstat_do_actions, if a breakpoint that causes a stop happens to
+     be set at same address as this dprintf, or even if running the
+     commands here throws.  */
+  tmp_bs.commands = bs->commands;
+  bs->commands = NULL;
+  old_chain = make_cleanup_decref_counted_command_line (&tmp_bs.commands);
+
+  bpstat_do_actions_1 (&tmp_bs_p);
+
+  /* 'tmp_bs.commands' will usually be NULL by now, but
+     bpstat_do_actions_1 may return early without processing the whole
+     list.  */
+  do_cleanups (old_chain);
+}
+
 /* The breakpoint_ops structure to be used on static tracepoints with
    markers (`-m').  */
 
@@ -13524,7 +13566,6 @@ strace_marker_create_sals_from_address (char **arg,
 static void
 strace_marker_create_breakpoints_sal (struct gdbarch *gdbarch,
                                      struct linespec_result *canonical,
-                                     struct linespec_sals *lsal,
                                      char *cond_string,
                                      char *extra_string,
                                      enum bptype type_wanted,
@@ -13536,6 +13577,8 @@ strace_marker_create_breakpoints_sal (struct gdbarch *gdbarch,
                                      int internal, unsigned flags)
 {
   int i;
+  struct linespec_sals *lsal = VEC_index (linespec_sals,
+                                         canonical->sals, 0);
 
   /* If the user is creating a static tracepoint by marker id
      (strace -m MARKER_ID), then store the sals index, so that
@@ -14257,7 +14300,6 @@ create_sals_from_address_default (char **arg,
 static void
 create_breakpoints_sal_default (struct gdbarch *gdbarch,
                                struct linespec_result *canonical,
-                               struct linespec_sals *lsal,
                                char *cond_string,
                                char *extra_string,
                                enum bptype type_wanted,
@@ -14614,25 +14656,35 @@ disable_command (char *args, int from_tty)
        if (user_breakpoint_p (bpt))
          disable_breakpoint (bpt);
     }
-  else if (strchr (args, '.'))
+  else
     {
-      struct bp_location *loc = find_location_by_number (args);
-      if (loc)
+      char *num = extract_arg (&args);
+
+      while (num)
        {
-         if (loc->enabled)
+         if (strchr (num, '.'))
            {
-             loc->enabled = 0;
-             mark_breakpoint_location_modified (loc);
+             struct bp_location *loc = find_location_by_number (num);
+
+             if (loc)
+               {
+                 if (loc->enabled)
+                   {
+                     loc->enabled = 0;
+                     mark_breakpoint_location_modified (loc);
+                   }
+                 if (target_supports_enable_disable_tracepoint ()
+                     && current_trace_status ()->running && loc->owner
+                     && is_tracepoint (loc->owner))
+                   target_disable_tracepoint (loc);
+               }
+             update_global_location_list (0);
            }
-         if (target_supports_enable_disable_tracepoint ()
-             && current_trace_status ()->running && loc->owner
-             && is_tracepoint (loc->owner))
-           target_disable_tracepoint (loc);
+         else
+           map_breakpoint_numbers (num, do_map_disable_breakpoint, NULL);
+         num = extract_arg (&args);
        }
-      update_global_location_list (0);
     }
-  else
-    map_breakpoint_numbers (args, do_map_disable_breakpoint, NULL);
 }
 
 static void
@@ -14738,25 +14790,35 @@ enable_command (char *args, int from_tty)
        if (user_breakpoint_p (bpt))
          enable_breakpoint (bpt);
     }
-  else if (strchr (args, '.'))
+  else
     {
-      struct bp_location *loc = find_location_by_number (args);
-      if (loc)
+      char *num = extract_arg (&args);
+
+      while (num)
        {
-         if (!loc->enabled)
+         if (strchr (num, '.'))
            {
-             loc->enabled = 1;
-             mark_breakpoint_location_modified (loc);
+             struct bp_location *loc = find_location_by_number (num);
+
+             if (loc)
+               {
+                 if (!loc->enabled)
+                   {
+                     loc->enabled = 1;
+                     mark_breakpoint_location_modified (loc);
+                   }
+                 if (target_supports_enable_disable_tracepoint ()
+                     && current_trace_status ()->running && loc->owner
+                     && is_tracepoint (loc->owner))
+                   target_enable_tracepoint (loc);
+               }
+             update_global_location_list (1);
            }
-         if (target_supports_enable_disable_tracepoint ()
-             && current_trace_status ()->running && loc->owner
-             && is_tracepoint (loc->owner))
-           target_enable_tracepoint (loc);
+         else
+           map_breakpoint_numbers (num, do_map_enable_breakpoint, NULL);
+         num = extract_arg (&args);
        }
-      update_global_location_list (1);
     }
-  else
-    map_breakpoint_numbers (args, do_map_enable_breakpoint, NULL);
 }
 
 /* This struct packages up disposition data for application to multiple
@@ -15521,7 +15583,6 @@ save_breakpoints (char *filename, int from_tty,
 {
   struct breakpoint *tp;
   int any = 0;
-  char *pathname;
   struct cleanup *cleanup;
   struct ui_file *fp;
   int extra_trace_bits = 0;
@@ -15557,9 +15618,9 @@ save_breakpoints (char *filename, int from_tty,
       return;
     }
 
-  pathname = tilde_expand (filename);
-  cleanup = make_cleanup (xfree, pathname);
-  fp = gdb_fopen (pathname, "w");
+  filename = tilde_expand (filename);
+  cleanup = make_cleanup (xfree, filename);
+  fp = gdb_fopen (filename, "w");
   if (!fp)
     error (_("Unable to open file '%s' for saving (%s)"),
           filename, safe_strerror (errno));
@@ -15590,7 +15651,7 @@ save_breakpoints (char *filename, int from_tty,
     if (tp->ignore_count)
       fprintf_unfiltered (fp, "  ignore $bpnum %d\n", tp->ignore_count);
 
-    if (tp->commands)
+    if (tp->type != bp_dprintf && tp->commands)
       {
        volatile struct gdb_exception ex;       
 
@@ -15629,9 +15690,9 @@ save_breakpoints (char *filename, int from_tty,
   if (extra_trace_bits && *default_collect)
     fprintf_unfiltered (fp, "set default-collect %s\n", default_collect);
 
-  do_cleanups (cleanup);
   if (from_tty)
     printf_filtered (_("Saved to file '%s'.\n"), filename);
+  do_cleanups (cleanup);
 }
 
 /* The `save breakpoints' command.  */
@@ -15879,14 +15940,6 @@ initialize_breakpoint_ops (void)
   ops->create_sals_from_address = bkpt_probe_create_sals_from_address;
   ops->decode_linespec = bkpt_probe_decode_linespec;
 
-  /* GNU v3 exception catchpoints.  */
-  ops = &gnu_v3_exception_catchpoint_ops;
-  *ops = bkpt_breakpoint_ops;
-  ops->print_it = print_it_exception_catchpoint;
-  ops->print_one = print_one_exception_catchpoint;
-  ops->print_mention = print_mention_exception_catchpoint;
-  ops->print_recreate = print_recreate_exception_catchpoint;
-
   /* Watchpoints.  */
   ops = &watchpoint_breakpoint_ops;
   *ops = base_breakpoint_ops;
@@ -15901,6 +15954,7 @@ initialize_breakpoint_ops (void)
   ops->print_it = print_it_watchpoint;
   ops->print_mention = print_mention_watchpoint;
   ops->print_recreate = print_recreate_watchpoint;
+  ops->explains_signal = explains_signal_watchpoint;
 
   /* Masked watchpoints.  */
   ops = &masked_watchpoint_breakpoint_ops;
@@ -16000,11 +16054,12 @@ initialize_breakpoint_ops (void)
 
   ops = &dprintf_breakpoint_ops;
   *ops = bkpt_base_breakpoint_ops;
-  ops->re_set = bkpt_re_set;
+  ops->re_set = dprintf_re_set;
   ops->resources_needed = bkpt_resources_needed;
   ops->print_it = bkpt_print_it;
   ops->print_mention = bkpt_print_mention;
-  ops->print_recreate = bkpt_print_recreate;
+  ops->print_recreate = dprintf_print_recreate;
+  ops->after_condition_true = dprintf_after_condition_true;
 }
 
 /* Chain containing all defined "enable breakpoint" subcommands.  */
@@ -16019,6 +16074,7 @@ _initialize_breakpoint (void)
   initialize_breakpoint_ops ();
 
   observer_attach_solib_unloaded (disable_breakpoints_in_unloaded_shlib);
+  observer_attach_free_objfile (disable_breakpoints_in_freed_objfile);
   observer_attach_inferior_exit (clear_syscall_counts);
   observer_attach_memory_changed (invalidate_bp_value_on_memory_change);
 
@@ -16302,19 +16358,6 @@ Set temporary catchpoints to catch events."),
                  &tcatch_cmdlist, "tcatch ",
                  0/*allow-unknown*/, &cmdlist);
 
-  /* Add catch and tcatch sub-commands.  */
-  add_catch_command ("catch", _("\
-Catch an exception, when caught."),
-                    catch_catch_command,
-                     NULL,
-                    CATCH_PERMANENT,
-                    CATCH_TEMPORARY);
-  add_catch_command ("throw", _("\
-Catch an exception, when thrown."),
-                    catch_throw_command,
-                     NULL,
-                    CATCH_PERMANENT,
-                    CATCH_TEMPORARY);
   add_catch_command ("fork", _("Catch calls to fork."),
                     catch_fork_command_1,
                      NULL,
@@ -16599,8 +16642,7 @@ Set a dynamic printf at specified line or function.\n\
 dprintf location,format string,arg1,arg2,...\n\
 location may be a line number, function name, or \"*\" and an address.\n\
 If a line number is specified, break at start of code for that line.\n\
-If a function is specified, break at start of code for that function.\n\
-"));
+If a function is specified, break at start of code for that function."));
   set_cmd_completer (c, location_completer);
 
   add_setshow_enum_cmd ("dprintf-style", class_support,
@@ -16649,4 +16691,5 @@ agent-printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
   automatic_hardware_breakpoints = 1;
 
   observer_attach_about_to_proceed (breakpoint_about_to_proceed);
+  observer_attach_thread_exit (remove_threaded_breakpoints);
 }
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