Remove most uses of ALL_OBJFILES
[deliverable/binutils-gdb.git] / gdb / breakpoint.c
index 6b6e1f6c257cfee7f507db2ddd5c71b1768eedb3..48a1c6414e32f90ef696887c337361a6ed5445a2 100644 (file)
@@ -1,6 +1,6 @@
 /* Everything about breakpoints, for GDB.
 
-   Copyright (C) 1986-2018 Free Software Foundation, Inc.
+   Copyright (C) 1986-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -68,6 +68,7 @@
 #include "format.h"
 #include "thread-fsm.h"
 #include "tid-parse.h"
+#include "cli/cli-style.h"
 
 /* readline include files */
 #include "readline/readline.h"
@@ -400,8 +401,6 @@ breakpoints_should_be_inserted_now (void)
     }
   else if (target_has_execution)
     {
-      struct thread_info *tp;
-
       if (always_inserted_mode)
        {
          /* The user wants breakpoints inserted even if all threads
@@ -414,7 +413,7 @@ breakpoints_should_be_inserted_now (void)
 
       /* Don't remove breakpoints yet if, even though all threads are
         stopped, we still have events to process.  */
-      ALL_NON_EXITED_THREADS (tp)
+      for (thread_info *tp : all_non_exited_threads ())
        if (tp->resumed
            && tp->suspend.waitstatus_pending_p)
          return 1;
@@ -1219,6 +1218,10 @@ commands_command_1 (const char *arg, int from_tty,
                    struct command_line *control)
 {
   counted_command_line cmd;
+  /* cmd_read will be true once we have read cmd.  Note that cmd might still be
+     NULL after the call to read_command_lines if the user provides an empty
+     list of command by just typing "end".  */
+  bool cmd_read = false;
 
   std::string new_arg;
 
@@ -1235,8 +1238,9 @@ commands_command_1 (const char *arg, int from_tty,
   map_breakpoint_numbers
     (arg, [&] (breakpoint *b)
      {
-       if (cmd == NULL)
+       if (!cmd_read)
         {
+          gdb_assert (cmd == NULL);
           if (control != NULL)
             cmd = control->body_list_0;
           else
@@ -1256,6 +1260,7 @@ commands_command_1 (const char *arg, int from_tty,
 
               cmd = read_command_lines (str.c_str (), from_tty, 1, validator);
             }
+          cmd_read = true;
         }
 
        /* If a breakpoint was on the list more than once, we don't need to
@@ -2892,7 +2897,7 @@ update_inserted_breakpoint_locations (void)
       /* We only want to update locations that are already inserted
         and need updating.  This is to avoid unwanted insertion during
         deletion of breakpoints.  */
-      if (!bl->inserted || (bl->inserted && !bl->needs_update))
+      if (!bl->inserted || !bl->needs_update)
        continue;
 
       switch_to_program_space_and_thread (bl->pspace);
@@ -3198,10 +3203,9 @@ free_breakpoint_objfile_data (struct objfile *obj, void *data)
 static void
 create_overlay_event_breakpoint (void)
 {
-  struct objfile *objfile;
   const char *const func_name = "_ovly_debug_event";
 
-  ALL_OBJFILES (objfile)
+  for (objfile *objfile : all_objfiles (current_program_space))
     {
       struct breakpoint *b;
       struct breakpoint_objfile_data *bp_objfile_data;
@@ -3257,97 +3261,93 @@ create_longjmp_master_breakpoint (void)
 
   ALL_PSPACES (pspace)
   {
-    struct objfile *objfile;
-
     set_current_program_space (pspace);
 
-    ALL_OBJFILES (objfile)
-    {
-      int i;
-      struct gdbarch *gdbarch;
-      struct breakpoint_objfile_data *bp_objfile_data;
-
-      gdbarch = get_objfile_arch (objfile);
+    for (objfile *objfile : all_objfiles (current_program_space))
+      {
+       int i;
+       struct gdbarch *gdbarch;
+       struct breakpoint_objfile_data *bp_objfile_data;
 
-      bp_objfile_data = get_breakpoint_objfile_data (objfile);
+       gdbarch = get_objfile_arch (objfile);
 
-      if (!bp_objfile_data->longjmp_searched)
-       {
-         std::vector<probe *> ret
-           = find_probes_in_objfile (objfile, "libc", "longjmp");
+       bp_objfile_data = get_breakpoint_objfile_data (objfile);
 
-         if (!ret.empty ())
-           {
-             /* We are only interested in checking one element.  */
-             probe *p = ret[0];
+       if (!bp_objfile_data->longjmp_searched)
+         {
+           std::vector<probe *> ret
+             = find_probes_in_objfile (objfile, "libc", "longjmp");
 
-             if (!p->can_evaluate_arguments ())
-               {
-                 /* We cannot use the probe interface here, because it does
-                    not know how to evaluate arguments.  */
-                 ret.clear ();
-               }
-           }
-         bp_objfile_data->longjmp_probes = ret;
-         bp_objfile_data->longjmp_searched = 1;
-       }
+           if (!ret.empty ())
+             {
+               /* We are only interested in checking one element.  */
+               probe *p = ret[0];
 
-      if (!bp_objfile_data->longjmp_probes.empty ())
-       {
-         struct gdbarch *gdbarch = get_objfile_arch (objfile);
+               if (!p->can_evaluate_arguments ())
+                 {
+                   /* We cannot use the probe interface here, because it does
+                      not know how to evaluate arguments.  */
+                   ret.clear ();
+                 }
+             }
+           bp_objfile_data->longjmp_probes = ret;
+           bp_objfile_data->longjmp_searched = 1;
+         }
 
-         for (probe *p : bp_objfile_data->longjmp_probes)
-           {
-             struct breakpoint *b;
+       if (!bp_objfile_data->longjmp_probes.empty ())
+         {
+           for (probe *p : bp_objfile_data->longjmp_probes)
+             {
+               struct breakpoint *b;
+
+               b = create_internal_breakpoint (gdbarch,
+                                               p->get_relocated_address (objfile),
+                                               bp_longjmp_master,
+                                               &internal_breakpoint_ops);
+               b->location = new_probe_location ("-probe-stap libc:longjmp");
+               b->enable_state = bp_disabled;
+             }
 
-             b = create_internal_breakpoint (gdbarch,
-                                             p->get_relocated_address (objfile),
-                                             bp_longjmp_master,
-                                             &internal_breakpoint_ops);
-             b->location = new_probe_location ("-probe-stap libc:longjmp");
-             b->enable_state = bp_disabled;
-           }
+           continue;
+         }
 
+       if (!gdbarch_get_longjmp_target_p (gdbarch))
          continue;
-       }
 
-      if (!gdbarch_get_longjmp_target_p (gdbarch))
-       continue;
-
-      for (i = 0; i < NUM_LONGJMP_NAMES; i++)
-       {
-         struct breakpoint *b;
-         const char *func_name;
-         CORE_ADDR addr;
-         struct explicit_location explicit_loc;
+       for (i = 0; i < NUM_LONGJMP_NAMES; i++)
+         {
+           struct breakpoint *b;
+           const char *func_name;
+           CORE_ADDR addr;
+           struct explicit_location explicit_loc;
 
-         if (msym_not_found_p (bp_objfile_data->longjmp_msym[i].minsym))
-           continue;
+           if (msym_not_found_p (bp_objfile_data->longjmp_msym[i].minsym))
+             continue;
 
-         func_name = longjmp_names[i];
-         if (bp_objfile_data->longjmp_msym[i].minsym == NULL)
-           {
-             struct bound_minimal_symbol m;
+           func_name = longjmp_names[i];
+           if (bp_objfile_data->longjmp_msym[i].minsym == NULL)
+             {
+               struct bound_minimal_symbol m;
 
-             m = lookup_minimal_symbol_text (func_name, objfile);
-             if (m.minsym == NULL)
-               {
-                 /* Prevent future lookups in this objfile.  */
-                 bp_objfile_data->longjmp_msym[i].minsym = &msym_not_found;
-                 continue;
-               }
-             bp_objfile_data->longjmp_msym[i] = m;
-           }
+               m = lookup_minimal_symbol_text (func_name, objfile);
+               if (m.minsym == NULL)
+                 {
+                   /* Prevent future lookups in this objfile.  */
+                   bp_objfile_data->longjmp_msym[i].minsym = &msym_not_found;
+                   continue;
+                 }
+               bp_objfile_data->longjmp_msym[i] = m;
+             }
 
-         addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->longjmp_msym[i]);
-         b = create_internal_breakpoint (gdbarch, addr, bp_longjmp_master,
-                                         &internal_breakpoint_ops);
-         initialize_explicit_location (&explicit_loc);
-         explicit_loc.function_name = ASTRDUP (func_name);
-         b->location = new_explicit_location (&explicit_loc);
-         b->enable_state = bp_disabled;
-       }
-    }
+           addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->longjmp_msym[i]);
+           b = create_internal_breakpoint (gdbarch, addr, bp_longjmp_master,
+                                           &internal_breakpoint_ops);
+           initialize_explicit_location (&explicit_loc);
+           explicit_loc.function_name = ASTRDUP (func_name);
+           b->location = new_explicit_location (&explicit_loc);
+           b->enable_state = bp_disabled;
+         }
+      }
   }
 }
 
@@ -3362,46 +3362,45 @@ create_std_terminate_master_breakpoint (void)
 
   ALL_PSPACES (pspace)
   {
-    struct objfile *objfile;
     CORE_ADDR addr;
 
     set_current_program_space (pspace);
 
-    ALL_OBJFILES (objfile)
-    {
-      struct breakpoint *b;
-      struct breakpoint_objfile_data *bp_objfile_data;
-      struct explicit_location explicit_loc;
+    for (objfile *objfile : all_objfiles (current_program_space))
+      {
+       struct breakpoint *b;
+       struct breakpoint_objfile_data *bp_objfile_data;
+       struct explicit_location explicit_loc;
 
-      bp_objfile_data = get_breakpoint_objfile_data (objfile);
+       bp_objfile_data = get_breakpoint_objfile_data (objfile);
 
-      if (msym_not_found_p (bp_objfile_data->terminate_msym.minsym))
-       continue;
+       if (msym_not_found_p (bp_objfile_data->terminate_msym.minsym))
+         continue;
 
-      if (bp_objfile_data->terminate_msym.minsym == NULL)
-       {
-         struct bound_minimal_symbol m;
+       if (bp_objfile_data->terminate_msym.minsym == NULL)
+         {
+           struct bound_minimal_symbol m;
 
-         m = lookup_minimal_symbol (func_name, NULL, objfile);
-         if (m.minsym == NULL || (MSYMBOL_TYPE (m.minsym) != mst_text
-                                  && MSYMBOL_TYPE (m.minsym) != mst_file_text))
-           {
-             /* Prevent future lookups in this objfile.  */
-             bp_objfile_data->terminate_msym.minsym = &msym_not_found;
-             continue;
-           }
-         bp_objfile_data->terminate_msym = m;
-       }
+           m = lookup_minimal_symbol (func_name, NULL, objfile);
+           if (m.minsym == NULL || (MSYMBOL_TYPE (m.minsym) != mst_text
+                                    && MSYMBOL_TYPE (m.minsym) != mst_file_text))
+             {
+               /* Prevent future lookups in this objfile.  */
+               bp_objfile_data->terminate_msym.minsym = &msym_not_found;
+               continue;
+             }
+           bp_objfile_data->terminate_msym = m;
+         }
 
-      addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->terminate_msym);
-      b = create_internal_breakpoint (get_objfile_arch (objfile), addr,
-                                      bp_std_terminate_master,
-                                     &internal_breakpoint_ops);
-      initialize_explicit_location (&explicit_loc);
-      explicit_loc.function_name = ASTRDUP (func_name);
-      b->location = new_explicit_location (&explicit_loc);
-      b->enable_state = bp_disabled;
-    }
+       addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->terminate_msym);
+       b = create_internal_breakpoint (get_objfile_arch (objfile), addr,
+                                       bp_std_terminate_master,
+                                       &internal_breakpoint_ops);
+       initialize_explicit_location (&explicit_loc);
+       explicit_loc.function_name = ASTRDUP (func_name);
+       b->location = new_explicit_location (&explicit_loc);
+       b->enable_state = bp_disabled;
+      }
   }
 }
 
@@ -3410,10 +3409,9 @@ create_std_terminate_master_breakpoint (void)
 static void
 create_exception_master_breakpoint (void)
 {
-  struct objfile *objfile;
   const char *const func_name = "_Unwind_DebugHook";
 
-  ALL_OBJFILES (objfile)
+  for (objfile *objfile : all_objfiles (current_program_space))
     {
       struct breakpoint *b;
       struct gdbarch *gdbarch;
@@ -3447,12 +3445,10 @@ create_exception_master_breakpoint (void)
 
       if (!bp_objfile_data->exception_probes.empty ())
        {
-         struct gdbarch *gdbarch = get_objfile_arch (objfile);
+         gdbarch = get_objfile_arch (objfile);
 
          for (probe *p : bp_objfile_data->exception_probes)
            {
-             struct breakpoint *b;
-
              b = create_internal_breakpoint (gdbarch,
                                              p->get_relocated_address (objfile),
                                              bp_exception_master,
@@ -5860,13 +5856,15 @@ print_breakpoint_location (struct breakpoint *b,
       if (sym)
        {
          uiout->text ("in ");
-         uiout->field_string ("func", SYMBOL_PRINT_NAME (sym));
+         uiout->field_string ("func", SYMBOL_PRINT_NAME (sym),
+                              ui_out_style_kind::FUNCTION);
          uiout->text (" ");
          uiout->wrap_hint (wrap_indent_at_field (uiout, "what"));
          uiout->text ("at ");
        }
       uiout->field_string ("file",
-                          symtab_to_filename_for_display (loc->symtab));
+                          symtab_to_filename_for_display (loc->symtab),
+                          ui_out_style_kind::FILE);
       uiout->text (":");
 
       if (uiout->is_mi_like_p ())
@@ -6038,16 +6036,9 @@ print_one_breakpoint_location (struct breakpoint *b,
   /* 1 */
   annotate_field (0);
   if (part_of_multiple)
-    {
-      char *formatted;
-      formatted = xstrprintf ("%d.%d", b->number, loc_number);
-      uiout->field_string ("number", formatted);
-      xfree (formatted);
-    }
+    uiout->field_fmt ("number", "%d.%d", b->number, loc_number);
   else
-    {
-      uiout->field_int ("number", b->number);
-    }
+    uiout->field_int ("number", b->number);
 
   /* 2 */
   annotate_field (1);
@@ -6063,16 +6054,13 @@ print_one_breakpoint_location (struct breakpoint *b,
   else
     uiout->field_string ("disp", bpdisp_text (b->disposition));
 
-
   /* 4 */
   annotate_field (3);
   if (part_of_multiple)
     uiout->field_string ("enabled", loc->enabled ? "y" : "n");
   else
     uiout->field_fmt ("enabled", "%c", bpenables[(int) b->enable_state]);
-  uiout->spaces (2);
 
-  
   /* 5 and 6 */
   if (b->ops != NULL && b->ops->print_one != NULL)
     {
@@ -6157,11 +6145,10 @@ print_one_breakpoint_location (struct breakpoint *b,
 
   if (loc != NULL && !header_of_multiple)
     {
-      struct inferior *inf;
       std::vector<int> inf_nums;
       int mi_only = 1;
 
-      ALL_INFERIORS (inf)
+      for (inferior *inf : all_inferiors ())
        {
          if (inf->pspace == loc->pspace)
            inf_nums.push_back (inf->num);
@@ -8048,7 +8035,6 @@ print_one_catch_solib (struct breakpoint *b, struct bp_location **locs)
   struct solib_catchpoint *self = (struct solib_catchpoint *) b;
   struct value_print_options opts;
   struct ui_out *uiout = current_uiout;
-  char *msg;
 
   get_user_print_options (&opts);
   /* Field 4, the address, is omitted (which makes the columns not
@@ -8060,23 +8046,23 @@ print_one_catch_solib (struct breakpoint *b, struct bp_location **locs)
       uiout->field_skip ("addr");
     }
 
+  std::string msg;
   annotate_field (5);
   if (self->is_load)
     {
       if (self->regex)
-       msg = xstrprintf (_("load of library matching %s"), self->regex);
+       msg = string_printf (_("load of library matching %s"), self->regex);
       else
-       msg = xstrdup (_("load of library"));
+       msg = _("load of library");
     }
   else
     {
       if (self->regex)
-       msg = xstrprintf (_("unload of library matching %s"), self->regex);
+       msg = string_printf (_("unload of library matching %s"), self->regex);
       else
-       msg = xstrdup (_("unload of library"));
+       msg = _("unload of library");
     }
   uiout->field_string ("what", msg);
-  xfree (msg);
 
   if (uiout->is_mi_like_p ())
     uiout->field_string ("catch-type", self->is_load ? "load" : "unload");
@@ -9593,7 +9579,7 @@ stopat_command (const char *arg, int from_tty)
     }
 
   if (badInput)
-    printf_filtered (_("Usage: stop at <line>\n"));
+    printf_filtered (_("Usage: stop at LINE\n"));
   else
     break_command_1 (arg, 0, from_tty);
 }
@@ -10520,7 +10506,7 @@ watch_command_1 (const char *arg, int accessflag, int from_tty,
 {
   struct breakpoint *scope_breakpoint = NULL;
   const struct block *exp_valid_block = NULL, *cond_exp_valid_block = NULL;
-  struct value *mark, *result;
+  struct value *result;
   int saved_bitpos = 0, saved_bitsize = 0;
   const char *exp_start = NULL;
   const char *exp_end = NULL;
@@ -10645,7 +10631,7 @@ watch_command_1 (const char *arg, int accessflag, int from_tty,
     }
 
   exp_valid_block = innermost_block.block ();
-  mark = value_mark ();
+  struct value *mark = value_mark ();
   struct value *val_as_value = nullptr;
   fetch_subexp_value (exp.get (), &pc, &val_as_value, &result, NULL,
                      just_location);
@@ -11496,14 +11482,14 @@ clear_command (const char *arg, int from_tty)
 
   /* Remove duplicates from the vec.  */
   std::sort (found.begin (), found.end (),
-            [] (const breakpoint *a, const breakpoint *b)
+            [] (const breakpoint *bp_a, const breakpoint *bp_b)
             {
-              return compare_breakpoints (a, b) < 0;
+              return compare_breakpoints (bp_a, bp_b) < 0;
             });
   found.erase (std::unique (found.begin (), found.end (),
-                           [] (const breakpoint *a, const breakpoint *b)
+                           [] (const breakpoint *bp_a, const breakpoint *bp_b)
                            {
-                             return compare_breakpoints (a, b) == 0;
+                             return compare_breakpoints (bp_a, bp_b) == 0;
                            }),
               found.end ());
 
@@ -12205,9 +12191,14 @@ say_where (struct breakpoint *b)
          /* If there is a single location, we can print the location
             more nicely.  */
          if (b->loc->next == NULL)
-           printf_filtered (": file %s, line %d.",
-                            symtab_to_filename_for_display (b->loc->symtab),
-                            b->loc->line_number);
+           {
+             puts_filtered (": file ");
+             fputs_styled (symtab_to_filename_for_display (b->loc->symtab),
+                           file_name_style.style (),
+                           gdb_stdout);
+             printf_filtered (", line %d.",
+                              b->loc->line_number);
+           }
          else
            /* This is not ideal, but each location may have a
               different file name, and this at least reflects the
@@ -13292,9 +13283,9 @@ delete_command (const char *arg, int from_tty)
     }
   else
     map_breakpoint_numbers
-      (arg, [&] (breakpoint *b)
+      (arg, [&] (breakpoint *br)
        {
-        iterate_over_related_breakpoints (b, delete_breakpoint);
+        iterate_over_related_breakpoints (br, delete_breakpoint);
        });
 }
 
@@ -13439,11 +13430,13 @@ update_static_tracepoint (struct breakpoint *b, struct symtab_and_line sal)
          uiout->text ("Now in ");
          if (sym)
            {
-             uiout->field_string ("func", SYMBOL_PRINT_NAME (sym));
+             uiout->field_string ("func", SYMBOL_PRINT_NAME (sym),
+                                  ui_out_style_kind::FUNCTION);
              uiout->text (" at ");
            }
          uiout->field_string ("file",
-                              symtab_to_filename_for_display (sal2.symtab));
+                              symtab_to_filename_for_display (sal2.symtab),
+                              ui_out_style_kind::FILE);
          uiout->text (":");
 
          if (uiout->is_mi_like_p ())
@@ -14863,9 +14856,9 @@ delete_trace_command (const char *arg, int from_tty)
     }
   else
     map_breakpoint_numbers
-      (arg, [&] (breakpoint *b)
+      (arg, [&] (breakpoint *br)
        {
-        iterate_over_related_breakpoints (b, delete_breakpoint);
+        iterate_over_related_breakpoints (br, delete_breakpoint);
        });
 }
 
@@ -15508,6 +15501,10 @@ initialize_breakpoint_ops (void)
 
 static struct cmd_list_element *enablebreaklist = NULL;
 
+/* See breakpoint.h.  */
+
+cmd_list_element *commands_cmd_element = nullptr;
+
 void
 _initialize_breakpoint (void)
 {
@@ -15533,7 +15530,8 @@ _initialize_breakpoint (void)
 Set ignore-count of breakpoint number N to COUNT.\n\
 Usage is `ignore N COUNT'."));
 
-  add_com ("commands", class_breakpoint, commands_command, _("\
+  commands_cmd_element = add_com ("commands", class_breakpoint,
+                                 commands_command, _("\
 Set commands to be executed when the given breakpoints are hit.\n\
 Give a space-separated breakpoint list as argument after \"commands\".\n\
 A list element can be a breakpoint number (e.g. `5') or a range of numbers\n\
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