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[deliverable/binutils-gdb.git] / gdb / linespec.c
index ac7d34dfe96f898e74a534fad79324a3a6004932..ddca05b3dbf6d0419a2676fc147da5cce65c593e 100644 (file)
@@ -1,6 +1,6 @@
 /* Parser for linespec for the GNU debugger, GDB.
 
-   Copyright (C) 1986-2019 Free Software Foundation, Inc.
+   Copyright (C) 1986-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -1133,58 +1133,56 @@ iterate_over_all_matching_symtabs
    struct program_space *search_pspace, bool include_inline,
    gdb::function_view<symbol_found_callback_ftype> callback)
 {
-  struct program_space *pspace;
-
-  ALL_PSPACES (pspace)
-  {
-    if (search_pspace != NULL && search_pspace != pspace)
-      continue;
-    if (pspace->executing_startup)
-      continue;
+  for (struct program_space *pspace : program_spaces)
+    {
+      if (search_pspace != NULL && search_pspace != pspace)
+       continue;
+      if (pspace->executing_startup)
+       continue;
 
-    set_current_program_space (pspace);
+      set_current_program_space (pspace);
 
-    for (objfile *objfile : current_program_space->objfiles ())
-      {
-       if (objfile->sf)
-         objfile->sf->qf->expand_symtabs_matching (objfile,
-                                                   NULL,
-                                                   lookup_name,
-                                                   NULL, NULL,
-                                                   search_domain);
-
-       for (compunit_symtab *cu : objfile->compunits ())
-         {
-           struct symtab *symtab = COMPUNIT_FILETABS (cu);
+      for (objfile *objfile : current_program_space->objfiles ())
+       {
+         if (objfile->sf)
+           objfile->sf->qf->expand_symtabs_matching (objfile,
+                                                     NULL,
+                                                     &lookup_name,
+                                                     NULL, NULL,
+                                                     search_domain);
+
+         for (compunit_symtab *cu : objfile->compunits ())
+           {
+             struct symtab *symtab = COMPUNIT_FILETABS (cu);
 
-           iterate_over_file_blocks (symtab, lookup_name, name_domain,
-                                     callback);
+             iterate_over_file_blocks (symtab, lookup_name, name_domain,
+                                       callback);
 
-           if (include_inline)
-             {
-               const struct block *block;
-               int i;
+             if (include_inline)
+               {
+                 const struct block *block;
+                 int i;
 
-               for (i = FIRST_LOCAL_BLOCK;
-                    i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab));
-                    i++)
-                 {
-                   block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i);
-                   state->language->la_iterate_over_symbols
-                     (block, lookup_name, name_domain,
-                      [&] (block_symbol *bsym)
-                      {
-                        /* Restrict calls to CALLBACK to symbols
-                           representing inline symbols only.  */
-                        if (SYMBOL_INLINED (bsym->symbol))
-                          return callback (bsym);
-                        return true;
-                      });
-                 }
-             }
-         }
-      }
-  }
+                 for (i = FIRST_LOCAL_BLOCK;
+                      i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab));
+                      i++)
+                   {
+                     block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i);
+                     state->language->iterate_over_symbols
+                       (block, lookup_name, name_domain,
+                        [&] (block_symbol *bsym)
+                        {
+                          /* Restrict calls to CALLBACK to symbols
+                             representing inline symbols only.  */
+                          if (SYMBOL_INLINED (bsym->symbol))
+                            return callback (bsym);
+                          return true;
+                        });
+                   }
+               }
+           }
+       }
+    }
 }
 
 /* Returns the block to be used for symbol searches from
@@ -1224,7 +1222,7 @@ find_methods (struct type *t, enum language t_lang, const char *name,
              std::vector<struct type *> *superclasses)
 {
   int ibase;
-  const char *class_name = TYPE_NAME (t);
+  const char *class_name = t->name ();
 
   /* Ignore this class if it doesn't have a name.  This is ugly, but
      unless we figure out how to get the physname without the name of
@@ -1489,7 +1487,7 @@ decode_line_2 (struct linespec_state *self,
               std::vector<symtab_and_line> *result,
               const char *select_mode)
 {
-  char *args;
+  const char *args;
   const char *prompt;
   int i;
   std::vector<const char *> filters;
@@ -2066,8 +2064,7 @@ canonicalize_linespec (struct linespec_state *state, const linespec_p ls)
          gdb_assert (!ls->labels.function_symbols->empty ()
                      && (ls->labels.function_symbols->size () == 1));
          block_symbol s = ls->labels.function_symbols->front ();
-         explicit_loc->function_name
-           = xstrdup (SYMBOL_NATURAL_NAME (s.symbol));
+         explicit_loc->function_name = xstrdup (s.symbol->natural_name ());
        }
     }
 
@@ -2195,7 +2192,7 @@ create_sals_line_offset (struct linespec_state *self,
              skip_prologue_sal (&intermediate_results[i]);
            intermediate_results[i].symbol = sym;
            add_sal_to_sals (self, &values, &intermediate_results[i],
-                            sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0);
+                            sym ? sym->natural_name () : NULL, 0);
          }
     }
 
@@ -2250,7 +2247,7 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
          if (symbol_to_sal (&sal, state->funfirstline, sym.symbol)
              && maybe_add_address (state->addr_set, pspace, sal.pc))
            add_sal_to_sals (state, &sals, &sal,
-                            SYMBOL_NATURAL_NAME (sym.symbol), 0);
+                            sym.symbol->natural_name (), 0);
        }
     }
   else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL)
@@ -2292,7 +2289,7 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
                          if (MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc)
                            {
                              struct gdbarch *gdbarch
-                               = get_objfile_arch (elem.objfile);
+                               = elem.objfile->arch ();
                              msym_addr
                                = (gdbarch_convert_from_func_ptr_addr
                                   (gdbarch,
@@ -2315,7 +2312,7 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
                  if (symbol_to_sal (&sal, state->funfirstline, sym.symbol)
                      && maybe_add_address (state->addr_set, pspace, sal.pc))
                    add_sal_to_sals (state, &sals, &sal,
-                                    SYMBOL_NATURAL_NAME (sym.symbol), 0);
+                                    sym.symbol->natural_name (), 0);
                }
            }
        }
@@ -2903,7 +2900,7 @@ complete_label (completion_tracker &tracker,
     {
       for (const auto &label : *labels)
        {
-         char *match = xstrdup (SYMBOL_SEARCH_NAME (label.symbol));
+         char *match = xstrdup (label.symbol->search_name ());
          tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match));
        }
       delete labels;
@@ -3331,7 +3328,7 @@ decode_line_with_last_displayed (const char *string, int flags)
 
 \f
 
-/* First, some functions to initialize stuff at the beggining of the
+/* First, some functions to initialize stuff at the beginning of the
    function.  */
 
 static void
@@ -3494,9 +3491,9 @@ decode_compound_collector::operator () (block_symbol *bsym)
 
   t = SYMBOL_TYPE (sym);
   t = check_typedef (t);
-  if (TYPE_CODE (t) != TYPE_CODE_STRUCT
-      && TYPE_CODE (t) != TYPE_CODE_UNION
-      && TYPE_CODE (t) != TYPE_CODE_NAMESPACE)
+  if (t->code () != TYPE_CODE_STRUCT
+      && t->code () != TYPE_CODE_UNION
+      && t->code () != TYPE_CODE_NAMESPACE)
     return true; /* Continue iterating.  */
 
   slot = htab_find_slot (m_unique_syms, sym, INSERT);
@@ -3671,12 +3668,12 @@ find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs,
      because we collect data across the program space before deciding
      what to do.  */
   last_result_len = 0;
-  unsigned int ix = 0;
   for (const auto &elt : *sym_classes)
     {
       struct type *t;
       struct program_space *pspace;
       struct symbol *sym = elt.symbol;
+      unsigned int ix = &elt - &*sym_classes->begin ();
 
       /* Program spaces that are executing startup should have
         been filtered out earlier.  */
@@ -3684,7 +3681,7 @@ find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs,
       gdb_assert (!pspace->executing_startup);
       set_current_program_space (pspace);
       t = check_typedef (SYMBOL_TYPE (sym));
-      find_methods (t, SYMBOL_LANGUAGE (sym),
+      find_methods (t, sym->language (),
                    method_name, &result_names, &superclass_vec);
 
       /* Handle all items from a single program space at once; and be
@@ -3697,7 +3694,7 @@ find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs,
             this program space, consider superclasses.  */
          if (result_names.size () == last_result_len)
            find_superclass_methods (std::move (superclass_vec), method_name,
-                                    SYMBOL_LANGUAGE (sym), &result_names);
+                                    sym->language (), &result_names);
 
          /* We have a list of candidate symbol names, so now we
             iterate over the symbol tables looking for all
@@ -3707,7 +3704,6 @@ find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs,
 
          superclass_vec.clear ();
          last_result_len = result_names.size ();
-         ++ix;
        }
     }
 
@@ -3788,9 +3784,7 @@ collect_symtabs_from_filename (const char *file,
   /* Find that file's data.  */
   if (search_pspace == NULL)
     {
-      struct program_space *pspace;
-
-      ALL_PSPACES (pspace)
+      for (struct program_space *pspace : program_spaces)
         {
          if (pspace->executing_startup)
            continue;
@@ -3900,9 +3894,10 @@ find_linespec_symbols (struct linespec_state *state,
                       std::vector <block_symbol> *symbols,
                       std::vector<bound_minimal_symbol> *minsyms)
 {
-  std::string canon = cp_canonicalize_string_no_typedefs (lookup_name);
-  if (!canon.empty ())
-    lookup_name = canon.c_str ();
+  gdb::unique_xmalloc_ptr<char> canon
+    = cp_canonicalize_string_no_typedefs (lookup_name);
+  if (canon != nullptr)
+    lookup_name = canon.get ();
 
   /* It's important to not call expand_symtabs_matching unnecessarily
      as it can really slow things down (by unnecessarily expanding
@@ -3999,9 +3994,9 @@ find_label_symbols_in_block (const struct block *block,
 
       ALL_BLOCK_SYMBOLS (block, iter, sym)
        {
-         if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
+         if (symbol_matches_domain (sym->language (),
                                     SYMBOL_DOMAIN (sym), LABEL_DOMAIN)
-             && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0)
+             && cmp (sym->search_name (), name, name_len) == 0)
            {
              result->push_back ({sym, block});
              label_funcs_ret->push_back ({fn_sym, block});
@@ -4109,8 +4104,9 @@ decode_digits_list_mode (struct linespec_state *self,
   return values;
 }
 
-/* A helper for create_sals_line_offset that iterates over the symtabs,
-   adding lines to the VEC.  */
+/* A helper for create_sals_line_offset that iterates over the symtabs
+   associated with LS and returns a vector of corresponding symtab_and_line
+   structures.  */
 
 static std::vector<symtab_and_line>
 decode_digits_ordinary (struct linespec_state *self,
@@ -4168,7 +4164,7 @@ linespec_parse_variable (struct linespec_state *self, const char *variable)
       sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index);
       val_history
        = access_value_history ((variable[1] == '$') ? -index : index);
-      if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT)
+      if (value_type (val_history)->code () != TYPE_CODE_INT)
        error (_("History values used in line "
                 "specs must have integer values."));
       offset.offset = value_as_long (val_history);
@@ -4220,7 +4216,7 @@ minsym_found (struct linespec_state *self, struct objfile *objfile,
 
   if (is_function)
     {
-      const char *msym_name = MSYMBOL_LINKAGE_NAME (msymbol);
+      const char *msym_name = msymbol->linkage_name ();
 
       if (MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc
          || MSYMBOL_TYPE (msymbol) == mst_data_gnu_ifunc)
@@ -4249,7 +4245,7 @@ minsym_found (struct linespec_state *self, struct objfile *objfile,
   sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol);
 
   if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc))
-    add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0);
+    add_sal_to_sals (self, result, &sal, msymbol->natural_name (), 0);
 }
 
 /* A helper function to classify a minimal_symbol_type according to
@@ -4335,29 +4331,27 @@ search_minsyms_for_name (struct collect_info *info,
 
   if (symtab == NULL)
     {
-      struct program_space *pspace;
-
-      ALL_PSPACES (pspace)
-      {
-       if (search_pspace != NULL && search_pspace != pspace)
-         continue;
-       if (pspace->executing_startup)
-         continue;
+      for (struct program_space *pspace : program_spaces)
+       {
+         if (search_pspace != NULL && search_pspace != pspace)
+           continue;
+         if (pspace->executing_startup)
+           continue;
 
-       set_current_program_space (pspace);
+         set_current_program_space (pspace);
 
-       for (objfile *objfile : current_program_space->objfiles ())
-         {
-           iterate_over_minimal_symbols (objfile, name,
-                                         [&] (struct minimal_symbol *msym)
-                                         {
-                                           add_minsym (msym, objfile, nullptr,
-                                                       info->state->list_mode,
-                                                       &minsyms);
-                                           return false;
-                                         });
-         }
-      }
+         for (objfile *objfile : current_program_space->objfiles ())
+           {
+             iterate_over_minimal_symbols (objfile, name,
+                                           [&] (struct minimal_symbol *msym)
+                                           {
+                                             add_minsym (msym, objfile, nullptr,
+                                                         info->state->list_mode,
+                                                         &minsyms);
+                                             return false;
+                                           });
+           }
+       }
     }
   else
     {
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