Fix bug in gdb.ada/bias.exp
[deliverable/binutils-gdb.git] / gdb / psymtab.c
index c020d15721c90bea04829715e45ce93a89bd370c..7e70f8045f25c970f4ab673d870b8c7042d23b67 100644 (file)
@@ -39,7 +39,8 @@
 
 static struct partial_symbol *lookup_partial_symbol (struct objfile *,
                                                     struct partial_symtab *,
-                                                    const char *, int,
+                                                    const lookup_name_info &,
+                                                    int,
                                                     domain_enum);
 
 static const char *psymtab_to_fullname (struct partial_symtab *ps);
@@ -52,16 +53,6 @@ static struct partial_symbol *find_pc_sect_psymbol (struct objfile *,
 static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile,
                                                  struct partial_symtab *pst);
 
-\f
-
-static unsigned long psymbol_hash (const void *addr, int length);
-static int psymbol_compare (const void *addr1, const void *addr2, int length);
-
-psymtab_storage::psymtab_storage ()
-  : psymbol_cache (psymbol_hash, psymbol_compare)
-{
-}
-
 psymtab_storage::~psymtab_storage ()
 {
   partial_symtab *iter = psymtabs;
@@ -100,11 +91,6 @@ require_partial_symbols (struct objfile *objfile, bool verbose)
                             objfile_name (objfile));
          (*objfile->sf->sym_read_psymbols) (objfile);
 
-         /* Partial symbols list are not expected to changed after this
-            point.  */
-         objfile->partial_symtabs->global_psymbols.shrink_to_fit ();
-         objfile->partial_symtabs->static_psymbols.shrink_to_fit ();
-
          if (verbose && !objfile_has_symbols (objfile))
            printf_filtered (_("(No debugging symbols found in %s)\n"),
                             objfile_name (objfile));
@@ -131,7 +117,7 @@ partial_map_expand_apply (struct objfile *objfile,
   gdb_assert (pst->user == NULL);
 
   /* Don't visit already-expanded psymtabs.  */
-  if (pst->readin)
+  if (pst->readin_p (objfile))
     return 0;
 
   /* This may expand more than one symtab, and we want to iterate over
@@ -156,17 +142,15 @@ psym_map_symtabs_matching_filename
 
   for (partial_symtab *pst : require_partial_symbols (objfile, true))
     {
-      /* We can skip shared psymtabs here, because any file name will be
-        attached to the unshared psymtab.  */
-      if (pst->user != NULL)
-       continue;
-
       /* Anonymous psymtabs don't have a file name.  */
       if (pst->anonymous)
        continue;
 
       if (compare_filenames_for_search (pst->filename, name))
        {
+         while (pst->user)
+           pst = pst->user;
+
          if (partial_map_expand_apply (objfile, name, real_path,
                                        pst, callback))
            return true;
@@ -385,15 +369,15 @@ psym_find_pc_sect_compunit_symtab (struct objfile *objfile,
                                                    msymbol);
   if (ps != NULL)
     {
-      if (warn_if_readin && ps->readin)
+      if (warn_if_readin && ps->readin_p (objfile))
        /* Might want to error() here (in case symtab is corrupt and
           will cause a core dump), but maybe we can successfully
           continue, so let's not.  */
        warning (_("\
 (Internal error: pc %s in read in psymtab, but not in symtab.)\n"),
-                paddress (get_objfile_arch (objfile), pc));
+                paddress (objfile->arch (), pc));
       psymtab_to_symtab (objfile, ps);
-      return ps->compunit_symtab;
+      return ps->get_compunit_symtab (objfile);
     }
   return NULL;
 }
@@ -418,12 +402,8 @@ find_pc_sect_psymbol (struct objfile *objfile,
   /* Search the global symbols as well as the static symbols, so that
      find_pc_partial_function doesn't use a minimal symbol and thus
      cache a bad endaddr.  */
-  for (int i = 0; i < psymtab->n_global_syms; i++)
+  for (partial_symbol *p : psymtab->global_psymbols)
     {
-      partial_symbol *p
-       = objfile->partial_symtabs->global_psymbols[psymtab->globals_offset
-                                                   + i];
-
       if (p->domain == VAR_DOMAIN
          && p->aclass == LOC_BLOCK
          && pc >= p->address (objfile)
@@ -442,12 +422,8 @@ find_pc_sect_psymbol (struct objfile *objfile,
        }
     }
 
-  for (int i = 0; i < psymtab->n_static_syms; i++)
+  for (partial_symbol *p : psymtab->static_psymbols)
     {
-      partial_symbol *p
-       = objfile->partial_symtabs->static_psymbols[psymtab->statics_offset
-                                                   + i];
-
       if (p->domain == VAR_DOMAIN
          && p->aclass == LOC_BLOCK
          && pc >= p->address (objfile)
@@ -482,10 +458,13 @@ psym_lookup_symbol (struct objfile *objfile,
 
   lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
 
+  lookup_name_info psym_lookup_name = lookup_name.make_ignore_params ();
+
   for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
-      if (!ps->readin && lookup_partial_symbol (objfile, ps, name,
-                                               psymtab_index, domain))
+      if (!ps->readin_p (objfile)
+         && lookup_partial_symbol (objfile, ps, psym_lookup_name,
+                                   psymtab_index, domain))
        {
          struct symbol *sym, *with_opaque = NULL;
          struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps);
@@ -517,6 +496,36 @@ psym_lookup_symbol (struct objfile *objfile,
   return stab_best;
 }
 
+/* Psymtab version of lookup_global_symbol_language.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
+
+static enum language
+psym_lookup_global_symbol_language (struct objfile *objfile, const char *name,
+                                   domain_enum domain, bool *symbol_found_p)
+{
+  *symbol_found_p = false;
+  if (objfile->sf == NULL)
+    return language_unknown;
+
+  lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
+
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
+    {
+      struct partial_symbol *psym;
+      if (ps->readin_p (objfile))
+       continue;
+
+      psym = lookup_partial_symbol (objfile, ps, lookup_name, 1, domain);
+      if (psym)
+       {
+         *symbol_found_p = true;
+         return psym->ginfo.language ();
+       }
+    }
+
+  return language_unknown;
+}
+
 /* Returns true if PSYM matches LOOKUP_NAME.  */
 
 static bool
@@ -525,7 +534,7 @@ psymbol_name_matches (partial_symbol *psym,
 {
   const language_defn *lang = language_def (psym->ginfo.language ());
   symbol_name_matcher_ftype *name_match
-    = get_symbol_name_matcher (lang, lookup_name);
+    = lang->get_symbol_name_matcher (lookup_name);
   return name_match (psym->ginfo.search_name (), lookup_name, NULL);
 }
 
@@ -545,25 +554,27 @@ match_partial_symbol (struct objfile *objfile,
 {
   struct partial_symbol **start, **psym;
   struct partial_symbol **top, **real_top, **bottom, **center;
-  int length = (global ? pst->n_global_syms : pst->n_static_syms);
+  int length = (global
+               ? pst->global_psymbols.size ()
+               : pst->static_psymbols.size ());
   int do_linear_search = 1;
 
   if (length == 0)
     return NULL;
 
   start = (global ?
-          &objfile->partial_symtabs->global_psymbols[pst->globals_offset] :
-          &objfile->partial_symtabs->static_psymbols[pst->statics_offset]);
+          &pst->global_psymbols[0] :
+          &pst->static_psymbols[0]);
 
   if (global && ordered_compare)  /* Can use a binary search.  */
     {
       do_linear_search = 0;
 
       /* Binary search.  This search is guaranteed to end with center
-         pointing at the earliest partial symbol whose name might be
-         correct.  At that point *all* partial symbols with an
-         appropriate name will be checked against the correct
-         domain.  */
+        pointing at the earliest partial symbol whose name might be
+        correct.  At that point *all* partial symbols with an
+        appropriate name will be checked against the correct
+        domain.  */
 
       bottom = start;
       top = start + length - 1;
@@ -574,8 +585,7 @@ match_partial_symbol (struct objfile *objfile,
          gdb_assert (center < top);
 
          enum language lang = (*center)->ginfo.language ();
-         const char *lang_ln
-           = name.language_lookup_name (lang).c_str ();
+         const char *lang_ln = name.language_lookup_name (lang);
 
          if (ordered_compare ((*center)->ginfo.search_name (),
                               lang_ln) >= 0)
@@ -612,69 +622,39 @@ match_partial_symbol (struct objfile *objfile,
   return NULL;
 }
 
-/* Returns the name used to search psymtabs.  Unlike symtabs, psymtabs do
-   not contain any method/function instance information (since this would
-   force reading type information while reading psymtabs).  Therefore,
-   if NAME contains overload information, it must be stripped before searching
-   psymtabs.  */
-
-static gdb::unique_xmalloc_ptr<char>
-psymtab_search_name (const char *name)
-{
-  switch (current_language->la_language)
-    {
-    case language_cplus:
-      {
-       if (strchr (name, '('))
-         {
-           gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name);
-
-           if (ret)
-             return ret;
-         }
-      }
-      break;
-
-    default:
-      break;
-    }
-
-  return make_unique_xstrdup (name);
-}
-
-/* Look, in partial_symtab PST, for symbol whose natural name is NAME.
-   Check the global symbols if GLOBAL, the static symbols if not.  */
+/* Look, in partial_symtab PST, for symbol whose natural name is
+   LOOKUP_NAME.  Check the global symbols if GLOBAL, the static
+   symbols if not.  */
 
 static struct partial_symbol *
 lookup_partial_symbol (struct objfile *objfile,
-                      struct partial_symtab *pst, const char *name,
+                      struct partial_symtab *pst,
+                      const lookup_name_info &lookup_name,
                       int global, domain_enum domain)
 {
   struct partial_symbol **start, **psym;
   struct partial_symbol **top, **real_top, **bottom, **center;
-  int length = (global ? pst->n_global_syms : pst->n_static_syms);
+  int length = (global
+               ? pst->global_psymbols.size ()
+               : pst->static_psymbols.size ());
   int do_linear_search = 1;
 
   if (length == 0)
     return NULL;
 
-  gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name);
-
-  lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL);
-
   start = (global ?
-          &objfile->partial_symtabs->global_psymbols[pst->globals_offset] :
-          &objfile->partial_symtabs->static_psymbols[pst->statics_offset]);
+          &pst->global_psymbols[0] :
+          &pst->static_psymbols[0]);
 
   if (global)                  /* This means we can use a binary search.  */
     {
       do_linear_search = 0;
 
       /* Binary search.  This search is guaranteed to end with center
-         pointing at the earliest partial symbol whose name might be
-         correct.  At that point *all* partial symbols with an
-         appropriate name will be checked against the correct
-         domain.  */
+        pointing at the earliest partial symbol whose name might be
+        correct.  At that point *all* partial symbols with an
+        appropriate name will be checked against the correct
+        domain.  */
 
       bottom = start;
       top = start + length - 1;
@@ -682,11 +662,11 @@ lookup_partial_symbol (struct objfile *objfile,
       while (top > bottom)
        {
          center = bottom + (top - bottom) / 2;
-         if (!(center < top))
-           internal_error (__FILE__, __LINE__,
-                           _("failed internal consistency check"));
+
+         gdb_assert (center < top);
+
          if (strcmp_iw_ordered ((*center)->ginfo.search_name (),
-                                search_name.get ()) >= 0)
+                                lookup_name.c_str ()) >= 0)
            {
              top = center;
            }
@@ -695,9 +675,8 @@ lookup_partial_symbol (struct objfile *objfile,
              bottom = center + 1;
            }
        }
-      if (!(top == bottom))
-       internal_error (__FILE__, __LINE__,
-                       _("failed internal consistency check"));
+
+      gdb_assert (top == bottom);
 
       /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will
         search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME.  */
@@ -750,29 +729,25 @@ psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst)
     pst = pst->user;
 
   /* If it's been looked up before, return it.  */
-  if (pst->compunit_symtab)
-    return pst->compunit_symtab;
+  if (pst->get_compunit_symtab (objfile))
+    return pst->get_compunit_symtab (objfile);
 
   /* If it has not yet been read in, read it.  */
-  if (!pst->readin)
+  if (!pst->readin_p (objfile))
     {
       scoped_restore decrementer = increment_reading_symtab ();
 
       if (info_verbose)
        {
-         printf_filtered (_("Reading in symbols for %s..."),
+         printf_filtered (_("Reading in symbols for %s...\n"),
                           pst->filename);
          gdb_flush (gdb_stdout);
        }
 
       pst->read_symtab (objfile);
-
-      /* Finish up the debug error message.  */
-      if (info_verbose)
-       printf_filtered (_("done.\n"));
     }
 
-  return pst->compunit_symtab;
+  return pst->get_compunit_symtab (objfile);
 }
 
 /* Psymtab version of find_last_source_symtab.  See its definition in
@@ -795,7 +770,7 @@ psym_find_last_source_symtab (struct objfile *ofp)
 
   if (cs_pst)
     {
-      if (cs_pst->readin)
+      if (cs_pst->readin_p (ofp))
        {
          internal_error (__FILE__, __LINE__,
                          _("select_source_symtab: "
@@ -831,21 +806,21 @@ psym_forget_cached_source_info (struct objfile *objfile)
 
 static void
 print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile,
-                      struct partial_symbol **p, int count, const char *what,
-                      struct ui_file *outfile)
+                      const std::vector<partial_symbol *> &symbols,
+                      const char *what, struct ui_file *outfile)
 {
   fprintf_filtered (outfile, "  %s partial symbols:\n", what);
-  while (count-- > 0)
+  for (partial_symbol *p : symbols)
     {
       QUIT;
-      fprintf_filtered (outfile, "    `%s'", (*p)->ginfo.linkage_name ());
-      if ((*p)->ginfo.demangled_name () != NULL)
+      fprintf_filtered (outfile, "    `%s'", p->ginfo.linkage_name ());
+      if (p->ginfo.demangled_name () != NULL)
        {
          fprintf_filtered (outfile, "  `%s'",
-                           (*p)->ginfo.demangled_name ());
+                           p->ginfo.demangled_name ());
        }
       fputs_filtered (", ", outfile);
-      switch ((*p)->domain)
+      switch (p->domain)
        {
        case UNDEF_DOMAIN:
          fputs_filtered ("undefined domain, ", outfile);
@@ -869,7 +844,7 @@ print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile,
          fputs_filtered ("<invalid domain>, ", outfile);
          break;
        }
-      switch ((*p)->aclass)
+      switch (p->aclass)
        {
        case LOC_UNDEF:
          fputs_filtered ("undefined", outfile);
@@ -921,9 +896,8 @@ print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile,
          break;
        }
       fputs_filtered (", ", outfile);
-      fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile);
+      fputs_filtered (paddress (gdbarch, p->unrelocated_address ()), outfile);
       fprintf_filtered (outfile, "\n");
-      p++;
     }
 }
 
@@ -931,7 +905,7 @@ static void
 dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
              struct ui_file *outfile)
 {
-  struct gdbarch *gdbarch = get_objfile_arch (objfile);
+  struct gdbarch *gdbarch = objfile->arch ();
   int i;
 
   if (psymtab->anonymous)
@@ -952,11 +926,11 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
   gdb_print_host_address (objfile, outfile);
   fprintf_filtered (outfile, ")\n");
 
-  if (psymtab->readin)
+  if (psymtab->readin_p (objfile))
     {
       fprintf_filtered (outfile,
                        "  Full symtab was read (at ");
-      gdb_print_host_address (psymtab->compunit_symtab, outfile);
+      gdb_print_host_address (psymtab->get_compunit_symtab (objfile), outfile);
       fprintf_filtered (outfile, ")\n");
     }
 
@@ -982,19 +956,17 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
       gdb_print_host_address (psymtab->user, outfile);
       fprintf_filtered (outfile, "\n");
     }
-  if (psymtab->n_global_syms > 0)
+  if (!psymtab->global_psymbols.empty ())
     {
       print_partial_symbols
-       (gdbarch, objfile,
-        &objfile->partial_symtabs->global_psymbols[psymtab->globals_offset],
-        psymtab->n_global_syms, "Global", outfile);
+       (gdbarch, objfile, psymtab->global_psymbols,
+        "Global", outfile);
     }
-  if (psymtab->n_static_syms > 0)
+  if (!psymtab->static_psymbols.empty ())
     {
       print_partial_symbols
-       (gdbarch, objfile,
-        &objfile->partial_symtabs->static_psymbols[psymtab->statics_offset],
-        psymtab->n_static_syms, "Static", outfile);
+       (gdbarch, objfile, psymtab->static_psymbols,
+        "Static", outfile);
     }
   fprintf_filtered (outfile, "\n");
 }
@@ -1010,7 +982,7 @@ psym_print_stats (struct objfile *objfile)
   i = 0;
   for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
-      if (!ps->readin)
+      if (!ps->readin_p (objfile))
        i++;
     }
   printf_filtered (_("  Number of psym tables (not yet expanded): %d\n"), i);
@@ -1048,14 +1020,17 @@ static void
 psym_expand_symtabs_for_function (struct objfile *objfile,
                                  const char *func_name)
 {
+  lookup_name_info base_lookup (func_name, symbol_name_match_type::FULL);
+  lookup_name_info lookup_name = base_lookup.make_ignore_params ();
+
   for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
-      if (ps->readin)
+      if (ps->readin_p (objfile))
        continue;
 
-      if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN)
+      if ((lookup_partial_symbol (objfile, ps, lookup_name, 1, VAR_DOMAIN)
           != NULL)
-         || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN)
+         || (lookup_partial_symbol (objfile, ps, lookup_name, 0, VAR_DOMAIN)
              != NULL))
        psymtab_to_symtab (objfile, ps);
     }
@@ -1105,7 +1080,7 @@ psym_map_symbol_filenames (struct objfile *objfile,
     {
       const char *fullname;
 
-      if (ps->readin)
+      if (ps->readin_p (objfile))
        continue;
 
       /* We can skip shared psymtabs here, because any file name will be
@@ -1185,7 +1160,7 @@ psym_map_matching_symbols
   for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
       QUIT;
-      if (ps->readin
+      if (ps->readin_p (objfile)
          || match_partial_symbol (objfile, ps, global, name, domain,
                                   ordered_compare))
        {
@@ -1242,26 +1217,22 @@ recursively_search_psymtabs
        }
     }
 
-  partial_symbol **gbound
-    = (objfile->partial_symtabs->global_psymbols.data ()
-       + ps->globals_offset + ps->n_global_syms);
-  partial_symbol **sbound
-    = (objfile->partial_symtabs->static_psymbols.data ()
-       + ps->statics_offset + ps->n_static_syms);
+  partial_symbol **gbound = (ps->global_psymbols.data ()
+                            + ps->global_psymbols.size ());
+  partial_symbol **sbound = (ps->static_psymbols.data ()
+                            + ps->static_psymbols.size ());
   partial_symbol **bound = gbound;
 
   /* Go through all of the symbols stored in a partial
      symtab in one loop.  */
-  partial_symbol **psym = (objfile->partial_symtabs->global_psymbols.data ()
-                          + ps->globals_offset);
+  partial_symbol **psym = ps->global_psymbols.data ();
   while (keep_going)
     {
       if (psym >= bound)
        {
-         if (bound == gbound && ps->n_static_syms != 0)
+         if (bound == gbound && !ps->static_psymbols.empty ())
            {
-             psym = (objfile->partial_symtabs->static_psymbols.data ()
-                     + ps->statics_offset);
+             psym = ps->static_psymbols.data ();
              bound = sbound;
            }
          else
@@ -1305,13 +1276,11 @@ static void
 psym_expand_symtabs_matching
   (struct objfile *objfile,
    gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
-   const lookup_name_info &lookup_name_in,
+   const lookup_name_info *lookup_name,
    gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
    gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify,
    enum search_domain domain)
 {
-  lookup_name_info lookup_name = lookup_name_in.make_ignore_params ();
-
   /* Clear the search flags.  */
   for (partial_symtab *ps : require_partial_symbols (objfile, true))
     ps->searched_flag = PST_NOT_SEARCHED;
@@ -1320,7 +1289,7 @@ psym_expand_symtabs_matching
     {
       QUIT;
 
-      if (ps->readin)
+      if (ps->readin_p (objfile))
        continue;
 
       /* We skip shared psymtabs because file-matching doesn't apply
@@ -1348,8 +1317,10 @@ psym_expand_symtabs_matching
            continue;
        }
 
-      if (recursively_search_psymtabs (ps, objfile, domain,
-                                      lookup_name, symbol_matcher))
+      if ((symbol_matcher == NULL && lookup_name == NULL)
+         || recursively_search_psymtabs (ps, objfile, domain,
+                                         lookup_name->make_ignore_params (),
+                                         symbol_matcher))
        {
          struct compunit_symtab *symtab =
            psymtab_to_symtab (objfile, ps);
@@ -1376,14 +1347,10 @@ static void
 psym_fill_psymbol_map (struct objfile *objfile,
                       struct partial_symtab *psymtab,
                       std::set<CORE_ADDR> *seen_addrs,
-                      const std::vector<partial_symbol *> &symbols,
-                      int start,
-                      int length)
+                      const std::vector<partial_symbol *> &symbols)
 {
-  for (int i = 0; i < length; ++i)
+  for (partial_symbol *psym : symbols)
     {
-      struct partial_symbol *psym = symbols[start + i];
-
       if (psym->aclass == LOC_STATIC)
        {
          CORE_ADDR addr = psym->address (objfile);
@@ -1411,14 +1378,10 @@ psym_find_compunit_symtab_by_address (struct objfile *objfile,
        {
          psym_fill_psymbol_map (objfile, pst,
                                 &seen_addrs,
-                                objfile->partial_symtabs->global_psymbols,
-                                pst->globals_offset,
-                                pst->n_global_syms);
+                                pst->global_psymbols);
          psym_fill_psymbol_map (objfile, pst,
                                 &seen_addrs,
-                                objfile->partial_symtabs->static_psymbols,
-                                pst->statics_offset,
-                                pst->n_static_syms);
+                                pst->static_psymbols);
        }
 
       objfile->psymbol_map.shrink_to_fit ();
@@ -1452,6 +1415,7 @@ const struct quick_symbol_functions psym_functions =
   psym_forget_cached_source_info,
   psym_map_symtabs_matching_filename,
   psym_lookup_symbol,
+  psym_lookup_global_symbol_language,
   psym_print_stats,
   psym_dump,
   psym_expand_symtabs_for_function,
@@ -1466,24 +1430,6 @@ const struct quick_symbol_functions psym_functions =
 
 \f
 
-static void
-sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst)
-{
-  /* Sort the global list; don't sort the static list.  */
-  auto begin = objfile->partial_symtabs->global_psymbols.begin ();
-  std::advance (begin, pst->globals_offset);
-
-  /* The psymbols for this partial_symtab are currently at the end of the
-     vector.  */
-  auto end = objfile->partial_symtabs->global_psymbols.end ();
-
-  std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2)
-    {
-      return strcmp_iw_ordered (s1->ginfo.search_name (),
-                               s2->ginfo.search_name ()) < 0;
-    });
-}
-
 /* Partially fill a partial symtab.  It will be completely filled at
    the end of the symbol list.  */
 
@@ -1494,30 +1440,30 @@ partial_symtab::partial_symtab (const char *filename,
 {
   set_text_low (textlow);
   set_text_high (raw_text_low ()); /* default */
-  globals_offset = objfile->partial_symtabs->global_psymbols.size ();
-  statics_offset = objfile->partial_symtabs->static_psymbols.size ();
 }
 
 /* Perform "finishing up" operations of a partial symtab.  */
 
 void
-end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst)
+partial_symtab::end ()
 {
-  pst->n_global_syms = (objfile->partial_symtabs->global_psymbols.size ()
-                       - pst->globals_offset);
-  pst->n_static_syms = (objfile->partial_symtabs->static_psymbols.size ()
-                       - pst->statics_offset);
+  global_psymbols.shrink_to_fit ();
+  static_psymbols.shrink_to_fit ();
 
-  sort_pst_symbols (objfile, pst);
+  /* Sort the global list; don't sort the static list.  */
+  std::sort (global_psymbols.begin (),
+            global_psymbols.end (),
+            [] (partial_symbol *s1, partial_symbol *s2)
+    {
+      return strcmp_iw_ordered (s1->ginfo.search_name (),
+                               s2->ginfo.search_name ()) < 0;
+    });
 }
 
-/* Calculate a hash code for the given partial symbol.  The hash is
-   calculated using the symbol's value, language, domain, class
-   and name.  These are the values which are set by
-   add_psymbol_to_bcache.  */
+/* See psymtab.h.  */
 
-static unsigned long
-psymbol_hash (const void *addr, int length)
+unsigned long
+psymbol_bcache::hash (const void *addr, int length)
 {
   unsigned long h = 0;
   struct partial_symbol *psymbol = (struct partial_symbol *) addr;
@@ -1536,25 +1482,23 @@ psymbol_hash (const void *addr, int length)
   return h;
 }
 
-/* Returns true if the symbol at addr1 equals the symbol at addr2.
-   For the comparison this function uses a symbols value,
-   language, domain, class and name.  */
+/* See psymtab.h.  */
 
-static int
-psymbol_compare (const void *addr1, const void *addr2, int length)
+int
+psymbol_bcache::compare (const void *addr1, const void *addr2, int length)
 {
   struct partial_symbol *sym1 = (struct partial_symbol *) addr1;
   struct partial_symbol *sym2 = (struct partial_symbol *) addr2;
 
   return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value,
-                  sizeof (sym1->ginfo.value)) == 0
+                 sizeof (sym1->ginfo.value)) == 0
          && sym1->ginfo.language () == sym2->ginfo.language ()
-          && sym1->domain == sym2->domain
-          && sym1->aclass == sym2->aclass
+         && sym1->domain == sym2->domain
+         && sym1->aclass == sym2->aclass
          /* Note that psymbol names are interned via
             compute_and_set_names, so there's no need to compare the
             contents of the name here.  */
-          && sym1->ginfo.linkage_name () == sym2->ginfo.linkage_name ());
+         && sym1->ginfo.linkage_name () == sym2->ginfo.linkage_name ());
 }
 
 /* Helper function, initialises partial symbol structure and stashes
@@ -1564,87 +1508,61 @@ psymbol_compare (const void *addr1, const void *addr2, int length)
    different domain (or address) is possible and correct.  */
 
 static struct partial_symbol *
-add_psymbol_to_bcache (gdb::string_view name, bool copy_name,
-                      domain_enum domain,
-                      enum address_class theclass,
-                      short section,
-                      CORE_ADDR coreaddr,
-                      enum language language, struct objfile *objfile,
-                      int *added)
+add_psymbol_to_bcache (const partial_symbol &psymbol, struct objfile *objfile,
+                      bool *added)
 {
-  struct partial_symbol psymbol;
-  memset (&psymbol, 0, sizeof (psymbol));
-
-  psymbol.set_unrelocated_address (coreaddr);
-  psymbol.ginfo.section = section;
-  psymbol.domain = domain;
-  psymbol.aclass = theclass;
-  psymbol.ginfo.set_language (language, objfile->partial_symtabs->obstack ());
-  psymbol.ginfo.compute_and_set_names (name, copy_name, objfile->per_bfd);
-
   /* Stash the partial symbol away in the cache.  */
   return ((struct partial_symbol *)
          objfile->partial_symtabs->psymbol_cache.insert
          (&psymbol, sizeof (struct partial_symbol), added));
 }
 
-/* Helper function, adds partial symbol to the given partial symbol list.  */
-
-static void
-append_psymbol_to_list (std::vector<partial_symbol *> *list,
-                       struct partial_symbol *psym,
-                       struct objfile *objfile)
-{
-  list->push_back (psym);
-  OBJSTAT (objfile, n_psyms++);
-}
-
 /* See psympriv.h.  */
 
 void
-add_psymbol_to_list (gdb::string_view name, bool copy_name,
-                    domain_enum domain,
-                    enum address_class theclass,
-                    short section,
-                    psymbol_placement where,
-                    CORE_ADDR coreaddr,
-                    enum language language, struct objfile *objfile)
+partial_symtab::add_psymbol (const partial_symbol &psymbol,
+                            psymbol_placement where,
+                            struct objfile *objfile)
 {
-  struct partial_symbol *psym;
-
-  int added;
+  bool added;
 
   /* Stash the partial symbol away in the cache.  */
-  psym = add_psymbol_to_bcache (name, copy_name, domain, theclass,
-                               section, coreaddr, language, objfile, &added);
+  partial_symbol *psym = add_psymbol_to_bcache (psymbol, objfile, &added);
 
   /* Do not duplicate global partial symbols.  */
   if (where == psymbol_placement::GLOBAL && !added)
     return;
 
   /* Save pointer to partial symbol in psymtab, growing symtab if needed.  */
-  std::vector<partial_symbol *> *list
+  std::vector<partial_symbol *> &list
     = (where == psymbol_placement::STATIC
-       ? &objfile->partial_symtabs->static_psymbols
-       : &objfile->partial_symtabs->global_psymbols);
-  append_psymbol_to_list (list, psym, objfile);
+       ? static_psymbols
+       : global_psymbols);
+  list.push_back (psym);
 }
 
 /* See psympriv.h.  */
 
 void
-init_psymbol_list (struct objfile *objfile, int total_symbols)
+partial_symtab::add_psymbol (gdb::string_view name, bool copy_name,
+                            domain_enum domain,
+                            enum address_class theclass,
+                            short section,
+                            psymbol_placement where,
+                            CORE_ADDR coreaddr,
+                            enum language language, struct objfile *objfile)
 {
-  if (objfile->partial_symtabs->global_psymbols.capacity () == 0
-      && objfile->partial_symtabs->static_psymbols.capacity () == 0)
-    {
-      /* Current best guess is that approximately a twentieth of the
-        total symbols (in a debugging file) are global or static
-        oriented symbols, then multiply that by slop factor of
-        two.  */
-      objfile->partial_symtabs->global_psymbols.reserve (total_symbols / 10);
-      objfile->partial_symtabs->static_psymbols.reserve (total_symbols / 10);
-    }
+  struct partial_symbol psymbol;
+  memset (&psymbol, 0, sizeof (psymbol));
+
+  psymbol.set_unrelocated_address (coreaddr);
+  psymbol.ginfo.section = section;
+  psymbol.domain = domain;
+  psymbol.aclass = theclass;
+  psymbol.ginfo.set_language (language, objfile->partial_symtabs->obstack ());
+  psymbol.ginfo.compute_and_set_names (name, copy_name, objfile->per_bfd);
+
+  add_psymbol (psymbol, where, objfile);
 }
 
 /* See psympriv.h.  */
@@ -1656,10 +1574,7 @@ partial_symtab::partial_symtab (const char *filename_, struct objfile *objfile)
 {
   objfile->partial_symtabs->install_psymtab (this);
 
-  filename
-    = ((const char *) objfile->per_bfd->filename_cache.insert
-       (filename_, strlen (filename_) + 1));
-  compunit_symtab = NULL;
+  filename = objfile->intern (filename_);
 
   if (symtab_create_debug)
     {
@@ -1685,11 +1600,12 @@ partial_symtab::partial_symtab (const char *filename_, struct objfile *objfile)
 /* See psympriv.h.  */
 
 void
-partial_symtab::read_dependencies (struct objfile *objfile)
+partial_symtab::expand_dependencies (struct objfile *objfile)
 {
   for (int i = 0; i < number_of_dependencies; ++i)
     {
-      if (!dependencies[i]->readin)
+      if (!dependencies[i]->readin_p (objfile)
+         && dependencies[i]->user == NULL)
        {
          /* Inform about additional files to be read in.  */
          if (info_verbose)
@@ -1753,7 +1669,7 @@ dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj)
 {
   struct dump_psymtab_addrmap_data *data
     = (struct dump_psymtab_addrmap_data *) datap;
-  struct gdbarch *gdbarch = get_objfile_arch (data->objfile);
+  struct gdbarch *gdbarch = data->objfile->arch ();
   struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj;
   const char *psymtab_address_or_end = NULL;
 
@@ -1965,15 +1881,13 @@ maintenance_print_psymbols (const char *args, int from_tty)
 static void
 maintenance_info_psymtabs (const char *regexp, int from_tty)
 {
-  struct program_space *pspace;
-
   if (regexp)
     re_comp (regexp);
 
-  ALL_PSPACES (pspace)
+  for (struct program_space *pspace : program_spaces)
     for (objfile *objfile : pspace->objfiles ())
       {
-       struct gdbarch *gdbarch = get_objfile_arch (objfile);
+       struct gdbarch *gdbarch = objfile->arch ();
 
        /* We don't want to print anything for this objfile until we
           actually find a symtab whose name matches.  */
@@ -2001,7 +1915,7 @@ maintenance_info_psymtabs (const char *regexp, int from_tty)
                                 host_address_to_string (psymtab));
 
                printf_filtered ("    readin %s\n",
-                                psymtab->readin ? "yes" : "no");
+                                psymtab->readin_p (objfile) ? "yes" : "no");
                printf_filtered ("    fullname %s\n",
                                 psymtab->fullname
                                 ? psymtab->fullname : "(null)");
@@ -2018,31 +1932,26 @@ maintenance_info_psymtabs (const char *regexp, int from_tty)
                                 (psymtab->psymtabs_addrmap_supported
                                  ? "yes" : "no"));
                printf_filtered ("    globals ");
-               if (psymtab->n_global_syms)
-                 {
-                   auto p = &(objfile->partial_symtabs
-                              ->global_psymbols[psymtab->globals_offset]);
-
-                   printf_filtered
-                     ("(* (struct partial_symbol **) %s @ %d)\n",
-                      host_address_to_string (p),
-                      psymtab->n_global_syms);
-                 }
+               if (!psymtab->global_psymbols.empty ())
+                 printf_filtered
+                   ("(* (struct partial_symbol **) %s @ %d)\n",
+                    host_address_to_string (psymtab->global_psymbols.data ()),
+                    (int) psymtab->global_psymbols.size ());
                else
                  printf_filtered ("(none)\n");
                printf_filtered ("    statics ");
-               if (psymtab->n_static_syms)
-                 {
-                   auto p = &(objfile->partial_symtabs
-                              ->static_psymbols[psymtab->statics_offset]);
-
-                   printf_filtered
-                     ("(* (struct partial_symbol **) %s @ %d)\n",
-                      host_address_to_string (p),
-                      psymtab->n_static_syms);
-                 }
+               if (!psymtab->static_psymbols.empty ())
+                 printf_filtered
+                   ("(* (struct partial_symbol **) %s @ %d)\n",
+                    host_address_to_string (psymtab->static_psymbols.data ()),
+                    (int) psymtab->static_psymbols.size ());
                else
                  printf_filtered ("(none)\n");
+               if (psymtab->user)
+                 printf_filtered ("    user %s "
+                                  "((struct partial_symtab *) %s)\n",
+                                  psymtab->user->filename,
+                                  host_address_to_string (psymtab->user));
                printf_filtered ("    dependencies ");
                if (psymtab->number_of_dependencies)
                  {
@@ -2082,17 +1991,16 @@ maintenance_check_psymtabs (const char *ignore, int from_tty)
   struct compunit_symtab *cust = NULL;
   const struct blockvector *bv;
   const struct block *b;
-  int length;
 
   for (objfile *objfile : current_program_space->objfiles ())
     for (partial_symtab *ps : require_partial_symbols (objfile, true))
       {
-       struct gdbarch *gdbarch = get_objfile_arch (objfile);
+       struct gdbarch *gdbarch = objfile->arch ();
 
        /* We don't call psymtab_to_symtab here because that may cause symtab
           expansion.  When debugging a problem it helps if checkers leave
           things unchanged.  */
-       cust = ps->compunit_symtab;
+       cust = ps->get_compunit_symtab (objfile);
 
        /* First do some checks that don't require the associated symtab.  */
        if (ps->text_high (objfile) < ps->text_low (objfile))
@@ -2114,41 +2022,40 @@ maintenance_check_psymtabs (const char *ignore, int from_tty)
          continue;
        bv = COMPUNIT_BLOCKVECTOR (cust);
        b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
-       partial_symbol **psym
-         = &objfile->partial_symtabs->static_psymbols[ps->statics_offset];
-       length = ps->n_static_syms;
-       while (length--)
+       for (partial_symbol *psym : ps->static_psymbols)
          {
-           sym = block_lookup_symbol (b, (*psym)->ginfo.search_name (),
+           /* Skip symbols for inlined functions without address.  These may
+              or may not have a match in the full symtab.  */
+           if (psym->aclass == LOC_BLOCK
+               && psym->ginfo.value.address == 0)
+             continue;
+
+           sym = block_lookup_symbol (b, psym->ginfo.search_name (),
                                       symbol_name_match_type::SEARCH_NAME,
-                                      (*psym)->domain);
+                                      psym->domain);
            if (!sym)
              {
                printf_filtered ("Static symbol `");
-               puts_filtered ((*psym)->ginfo.linkage_name ());
+               puts_filtered (psym->ginfo.linkage_name ());
                printf_filtered ("' only found in ");
                puts_filtered (ps->filename);
                printf_filtered (" psymtab\n");
              }
-           psym++;
          }
        b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
-       psym = &objfile->partial_symtabs->global_psymbols[ps->globals_offset];
-       length = ps->n_global_syms;
-       while (length--)
+       for (partial_symbol *psym : ps->global_psymbols)
          {
-           sym = block_lookup_symbol (b, (*psym)->ginfo.search_name (),
+           sym = block_lookup_symbol (b, psym->ginfo.search_name (),
                                       symbol_name_match_type::SEARCH_NAME,
-                                      (*psym)->domain);
+                                      psym->domain);
            if (!sym)
              {
                printf_filtered ("Global symbol `");
-               puts_filtered ((*psym)->ginfo.linkage_name ());
+               puts_filtered (psym->ginfo.linkage_name ());
                printf_filtered ("' only found in ");
                puts_filtered (ps->filename);
                printf_filtered (" psymtab\n");
              }
-           psym++;
          }
        if (ps->raw_text_high () != 0
            && (ps->text_low (objfile) < BLOCK_START (b)
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